Patents

 91 patents and patent applications in the fields of zeolite synthesis and catalysis, heterogeneous catalysis, catalysts preparation, solid state chemistry etc. ; 515 citations. 

 

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List of Patents

1

Marosi Laszlo Dr, Schwarzmann Matthias Dr, Stabenow Joachim Dr: Crystalline metal-silicate zeolite zbm-30 and method of preparing it.. BASF, March 3, 1982: EP0046504-A1 (32 worldwide citation)

 

The application relates to crystalline metal silicate zeolites of the ZBM-30 type and to methods of preparing these crystalline metal silicate zeolites. They are prepared by hydrothermal crystallisation at temperatures of 100 to 200 DEG C for mixtures of YO2, in which Y represents the elements silic ...

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2

Laszlo Marosi, Joachim Stabenow, Matthias Schwarzmann: Manufacture of nitrogen-containing crystalline metal silicates having a zeolite structure. BASF Aktiengesellschaft, Keil & Weinkauf,June 26, 1984: US04456582 (29 worldwide citation)

 

A process for the manufacture of a nitrogen-containing crystalline metal silicate having a zeolite structure from silicon dioxide and a metal oxide and/or metal hydroxide, wherein the crystallization is carried out in the absence of an alkali metal in an aqueous solution of hexamethylenediamine, pre ...

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3

Broecker Franz Josef, Heners Juergen, Marosi Laszlo, Schwarzmann Matthias, Laurer Peter Rudolf: Nickel-containing hydrogenation catalysts for the selective hydrogenation of fats and oils.Badische Anilin & Soda Fabrik Aktiengesellschaft, July 22, 1975: US3896053 (25 worldwide citation)

 

The double salt Ni.sub.6 Al.sub.2 (OH).sub.16 - CO.sub.3 - 4H.sub.2 O is obtained from an aqueous solution containing nickel and aluminum salts by precipitation with alkali metal carbonate or bicarbonate. This double salt (catalyst precursor) is dried, calcined and reduced. There is thus obtained a ...

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4

Laszlo Marosi, Joachim Stabenow, Matthias Schwarzmann: Crystalline isotactic zeolites and their preparation. BASF Aktiengesellschaft, Keil & Witherspoon, August 30, 1983: US04401637(22 worldwide citation)

 

Crystalline isotactic zeolites having the composition

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5

Marosi Laszlo Dr Chem, Stabenow Joachim Dr Phys, Schwarzmann Matthias Dr Chem: Method for the preparation of nitrogen-containing crystalline metal silicates with a zeolitic structure, metal silicates prepared by this method and their use as catalysts.. BASF, January 23, 1980: EP0007081-A1 (21 worldwide citation)

 

Die Anmeldung betrifft ein Verfahren zur Herstellung von stickstoffhaltigen kristallinen Metallsilikaten mit Zeolithstrucktur aus Siliziumdioxid und Metalloxiden und oder Metallhydroxiden, bei dem man die Kristallisation in Abwesenheit von Alkali in einer wässrigen Lösung von Hexamethylendiamin vorn ...

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6

Ulrich Muller, Michael Schulz, Laszlo Marosi, Wolfgang Harder: Catalyst composition free from noble metals. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C,October 3, 2000: US06127307 (20 worldwide citation)

 

A noble metal-free catalyst composition is obtainable by

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7

Franz J Broecker, Karl Heinz Gruendler, Laszlo Marosi, Matthias Schwarzmann, Bruno Triebskorn, Guenter Zirker: Preparation of methanol synthesis catalyst comprising zinc, copper and aluminum. BASF Aktiengesellschaft, Keil & Witherspoon, March 13, 1984: US04436833 (18 worldwide citation)

 

A process for the preparation of methanol by reacting a gaseous mixture of carbon monoxide, carbon dioxide and hydrogen at an elevated temperature and under superatmospheric pressure over a catalyst which contains zinc, copper and aluminum, the catalyst being prepared from a co-crystalline material ...

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8

Marosi Laszlo Dr, Schwarzmann Matthias Dr, Stabenow Joachim Dr: Process for producing a zeolite possessing a ferririte structure property.. BASF, April 14, 1982: EP0049386-A1 (17 worldwide citation)

 

1. A process for the production of a zeolite of the ferrierite-type structure by hydrothermal crystallization of mixtures of SiO2 and Al(OH)3 at a temperature of from 80 to 250 degrees C, wherein the crystallization is carried out in the absence of alkali in an aqueous solution of 1,4-butylene-diami ...

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9

Andreas Tenten, Friedrich Georg Martin, Hartmut Hibst, Laszlo Marosi, Veronika Kohl: Polymetal oxide materials. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C,November 11, 1997: US05686373 (14 worldwide citation)

 

Polymetal oxide materials of the general formula I

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10

Hartmut Hibst, Andreas Tenten, Laszlo Marosi: Multimetal oxides. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, September 15, 1998: US05807531 (13 worldwide citation)

 

Multimetal oxides containing Mo, V and at least one of the elements W, Nb, Ti, Zr, Hf, Ta, Cr, Si and Ge and having a special three-dimensional atomic arrangement are used in catalysts for the catalytic gas-phase oxidation of organic compounds.

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11

Ewald Gallei, Laszlo Marosi, Matthias Schwarzmann, Ernst Lorenz: Manufacture of bifunctional catalysts for the conversion of hydrocarbons. BASF Aktiengesellschaft, Keil & Witherspoon,February 24, 1981: US04252688 (13 worldwide citation)

 

A process for the manufacture of a bifunctional catalyst for the conversion of hydrocarbons, which contains a crystalline aluminosilicate of the type of the Y-zeolites as the acidic component and a noble metal as the hydrogenation component. The process constitutes a technologically simple way of ma ...

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12

Hartmut Hibst, Andreas Tenten, Laszlo Marosi: Multimetal oxide materials. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, March 23, 1999: US05885922 (12 worldwide citation)

 

Multimetal oxide materials containing molybdenum, vanadium, copper and one or more of the elements tungsten, niobium, tantalum, chromium and cerium and having a multiphase structure, and their use for the preparation of acrylic acid from acrolein by gas-phase catalytic oxidation, and oxometallates o ...

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13

Wilhelm Sarnecki, Laszlo Marosi, Horst Autzen, Manfred Ohlinger, Werner Steck: Manufacture of acicular ferrimagnetic iron oxide. BASF Aktiengesellschaft, Keil & Witherspoon, January 4, 1983: US04367214 (12 worldwide citation)

 

A process for the manufacture of acicular ferrimagnetic iron oxide by heating iron(III) oxide or iron(III) oxide hydroxide at 220.degree.-460.degree. C. under a water vapor partial pressure of not less than 30 mbar, reducing the resulting product to magnetite by means of hydrogen and/or CO and/or an ...

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14

Marosi Laszlo Dr, Stabenow Joachim Dr, Schwarzmann Matthias Dr: Crystalline isotactic zeolites, process for their preparation and their use as catalysts.. BASF, September 2, 1981:EP0034727-A2 (11 worldwide citation)

 

Die Anmeldung betrifft kristalline isotaktische Zeolithe der Zusammensetzung 2/nR.W2O3.mYO2.pH2O worin R ein organisches Amin und n die Zahl der Amingruppen in dem Aminmolekül bedeutet, W die Elemente B, Al, Ga und Fe, Y die Elemente Si und Ge einschliesst und ein Verfahren zur Herstellung dieser kr ...

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15

Hartmut Hibst, Andreas Tenten, Laszlo Marosi: Preparation of organic acids such as acrylic acid by catalytic oxidation using a group V mixed metal oxide catalyst containing Cu, Mo, W, V, Nb and Ta. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, September 26, 2000: US06124499 (10 worldwide citation)

 

Multimetal oxide materials containing molybdenum, vanadium, copper and one or more of the elements tungsten, niobium, tantalum, chromium and cerium and having a multiphase structure, and their use for the preparation of acrylic acid from acrolein by gas-phase catalytic oxidation, and oxometallates o ...

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16

Joachim Stabenow, Laszlo Marosi, Matthias Schwarzmann: Crystalline beryllo-alumino-silicates and process for their manufacture. BASF Aktiengesellschaft, Johnston Keil Thompson & Shurtleff, December 7, 1976: US03996337 (10 worldwide citation)

 

Alkali metal beryllo-alumino-silicates of the mordenite type form, under hydrothermal conditions (100.degree.-300.degree. C in a Carius tube), from aqueous mixtures containing the structural components SiO.sub.2, Al.sub.2 O.sub.3 and BeO and alkali metal hydroxides. In beryllium-containing mordenite ...

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17

Broecker Franz Josef, Zirker Guenter, Triebskorn Bruno, Marosi Laszlo, Schwarzmann Matthias, Dethlefsen Winfried, Kaempfer Knut: Catalyst and its use for the manufacture of methane from gases containing carbon monoxide and dioxide and hydrogen. BASF Aktiengesellschaft, Johnston Keil Thompson & Shurtleff, October 14, 1975: US3912775 (10 worldwide citation)

 

Gases of various origins which contain carbon monoxide and dioxide and hydrogen, for example the gases obtained by steam reforming or the rich gas process, refinery gases or coal gasification gases are methanized on a nickel catalyst. The object of this reaction is to obtain methane or gases which c ...

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18

Laszlo Marosi, Hans Ulrich Schlimper, Matthias Schwarzmann, Joachim Stabenow: Preparation of zeolites. BASF Aktiengesellschaft, Keil & Witherspoon, September 13, 1983: US04404175 (9 worldwide citation)

 

A process for the preparation of zeolites of the ZSM-5 structural type from a mixture of SiO.sub.2 and Al(OH).sub.3 by hydrothermal crystallization in an aqueous amine solution, in the absence of alkali, at from 100.degree. to 200.degree. C., wherein the crystallization is carried out in the presenc ...

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19

Hoelderich Wolfgang Dr, Marosi Laszlo Dr, Mross Wolf Dieter Dr, Schwarzmann Matthias Dr: (zeolite) And use thereof as a catalyst.. BASF, May 19, 1982: EP0051741-A1 (9 worldwide citation)

 

Die Anmeldung betrifft ein Verfahren zur Herstellung eines kristallinen Aluminosilikates vom Pentasiltyp durch hydrothermale Kristallisation von SiO2 und Al(OH)3 in Gegenwart von Alkalisalzen bei Temperaturen von 80 bis 250 DEG C, bei dem man die Kristallisation in etherischer oder wässrig-etherisch ...

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20

Klaus Joerg, Franz Josef Mueller, Matthias Irgang, Laszlo Marosi, Gerhard Borchert: Preparation of methyl formate. BASF Aktiengesellschaft, Herbert B Keil, March 16, 1993: US05194675 (9 worldwide citation)

 

 

Methyl formate is prepared by converting methanol over a copper-containing catalyst at elevated temperatures and in the gas phase by a process in which the catalyst used contains from 30 to 80% by weight of copper, calculated as CuO, as well as from 20 to 70% by weight of a magnesium silicate, calcu ...

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21

Werner Steck, Wilhelm Sarnecki, Laszlo Marosi, Manfred Ohlinger, Horst Autzen: Manufacture of acicular ferromagnetic iron particles. BASF Aktiengesellschaft, Keil & Witherspoon, October 20, 1981: US04295879 (9 worldwide citation)

 

A process for the manufacture of acicular ferromagnetic iron particles by reducing an iron(III) oxide which carries a shape-stabilizing surface coating and has been produced by heating acicular iron(III) oxide hydroxide at 250.degree.-390.degree. C. in an atmosphere containing water vapor at a parti ...

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22

Rolf Fischer, Roman Dostalek, Laszlo Marosi: Preparation of cyclohexene by partial hydrogenation of benzene. BASF Aktiengesellschaft, Keil & Weinkauf, December 31, 1996: US05589600(9 worldwide citation)

 

A process for the preparation of cyclohexene by partial hydrogenation of benzene with hydrogen in the presence of water and ruthenium catalysts modified with nickel, at elevated temperature in the liquid phase, wherein alloys of ruthenium with nickel are used as catalysts.

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23

Marosi Laszlo Dr Chem, Stabenow Joachim Dr Phys, Schwarzmann Matthias Dr Chem: Crystalline iron silicates having a zeolitic structure and method of producing them.. BASF, May 14, 1980: EP0010572-A1 (9 worldwide citation)

 

1. A process for the production of a crystalline iron silicate, having a structure similar to that of a zeolite of the ZSM-5 type, from a mixture of reactive SiO2 , Na2 O, iron(III) oxide and/or iron(III) hydroxide at a temperature of from 100 degrees C to 200 degrees C in an aqueous amine solution ...

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24

Werner Steck, Wilhelm Sarnecki, Laszlo Marosi, Manfred Ohlinger, Werner Loeser: Manufacture of acicular ferromagnetic iron particles. BASF Aktiengesellschaft, Keil & Witherspoon, August 17, 1982: US04344791 (8 worldwide citation)

 

A process for the manufacture of acicular ferromagnetic iron particles by heating a goethite, provided with a shape-stabilizing surface coating, at 250.degree.-450.degree. C. in an atmosphere containing water vapor at a partial pressure of not less than 30 mbar, to give alpha-iron(III) oxide, and re ...

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25

Marosi Laszlo Dr, Schlimper Hans Ulrich Dr, Schwarzmann Matthias Dr, Stabenow Joachim Dr: Process for producing zeolites.. BASF, December 16, 1981: EP0041621-A1 (8 worldwide citation)

 

Die Anmeldung betrifft ein Verfahren zur Herstellung von Zeolithen vom Strukturtyp ZSM-5 durch hydrothermale Kristallisation bei Temperaturen von 100 bis 200 DEG C aus Mischungen von SiO2 und Al(OH)3 in Abwesenheit von Alkali in wässrigen Lösungen von Aminen. Die Kristallisation wird in Gegenwart vo ...

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26

Tenten Andreas Dr, Martin Friedrich Georg Dr, Hibst Hartmut Dr, Marosi Laszlo Dr, Kohl Veronika Dr: Multimetal oxide masses.. BASF, August 23, 1995: EP0668104-A1 (8 worldwide citation)

 

Multimetal oxide compsn. of formula (I) is new: (A)p (B)q (I): A = Mo12VaXbXcXdXeXfX6gOx (co-phase); B = X12CuhHiOy (key phase); X = W, Nb, Ta, Cr and/or Ce; X = Cu, Ni, Co, Fe, Mn and/or Zn; X = Sb and/or Bi; X = Li, Na, K, Rb, Cs and/or H; X = Mg, Ca, Sr and/or Ba; X = Si, Al, Ti and/or Zr; X = Mo ...

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27

Marosi Laszlo Dr Chem, Stabenow Joachim Dr Phys, Schwarzmann Matthias Dr Chem: Method for the preparation of crystalline aluminosilicate zeolites.. BASF, January 23, 1980:EP0007098-A1 (8 worldwide citation)

 

1. A process for the preparation of a crystalline aluminium silicate zeolite of the ZSM-5 type from waterglass and an organic amine, characterized in that the cristallization is carried out without further addition of a metal salt, in the presence of hexamethylenediamine.

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28

Laszlo Marosi Dr, Stabenow Joachim Dr, Schwarzmann Matthias Dr: Process for producing a boron containing zeolite with the structure of zsm-5 and its use as a catalyst.. BASF, October 15, 1980: EP0017027-A1 (7 worldwide citation)

 

1. A process for the preparation of a boron-containing zeolite of the ZSM-5 structural type from SiO2 , an alkali and an oxide of a trivalent metal, by hydrothermal crystallization in the presence of an amine, wherein a diamine and, as the starting material, finely ground borosilicate glass are used ...

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29

Marosi Laszlo Dr, Stabenow Joachim Dr, Schwarzmann Matthias Dr: Preparation of olefins from methyl alcohol or dimethyl ether.. BASF, January 9, 1980: EP0006501-A1 (7 worldwide citation)

 

1. A process for the preparation of olefins, especially olefins with a large proportion of ethylene, by conversion of methanol and/or dimethyl ether in the gas phase, at a temperature of from 250 to 600 degrees C, preferably at from 330 to 480 degrees C, and at a pressure of up to about 30 bars, ove ...

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30

Laszlo Marosi, Hans Ulrich Schlimper, Matthias Schwarzmann, Joachim Stabenow: Preparation of zeolites. November 5, 1985: US04551321 (6 worldwide citation)

 

A process for the preparation of zeolites of the ZSM-5 structural type from a mixture of SiO.sub.2 and Al(OH).sub.3 by hydrothermal crystallization in an aqueous amine solution, in the absence of alkali, at from 100.degree. to 200.degree. C., wherein the crystallization is carried out in the presenc ...

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31

Rainer Diercks, Manfred Essig, Laszlo Marosi: Preparation of formaldehyde by oxidative dehydrogenation of methanol in the presence of dinitrogen oxide. BASF Aktiengesellschaft, Keil & Weinkauf, March 28, 1995: US05401884 (6 worldwide citation)

 

Formaldehyde is prepared by oxidative dehydrogenation of methanol in the gas phase on a silver or silver-containing catalyst by means of an oxygen-containing gas which contains dinitrogen oxide.

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32

Juergen Hartig, Armin Stoessel, Guenter Herrmann, Laszlo Marosi: Cobalt-containing supported catalysts and their preparation. BASF Aktiengesellschaft, Keil & Weinkauf, January 1, 1985:US04491637 (6 worldwide citation)

 

Supported catalysts containing from 2 to 30% by weight, calculated as cobalt, of cobalt in oxidic form on a zeolite carrier, and their preparation.

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33

Juergen Hartig, Armin Stoessel, Guenter Herrmann, Laszlo Marosi: Preparation of cyclohexanol and cyclohexanone. BASF Aktiengesellschaft, Keil & Weinkauf, September 24, 1985:US04543427 (5 worldwide citation)

 

Cyclohexanol and cyclohexanone are prepared by treating cyclohexyl hydroperoxide with a supported catalyst containing from 2 to 30% by weight, calculated as cobalt, of cobalt in oxidic form, at from 30.degree. to 160.degree. C., by a process wherein a zeolite is used as the carrier.

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34

Hartmut Hibst, Andreas Tenten, Laszlo Marosi: Oxidation using multimetal molybdenum and vanadium oxides. BASF Aktiengesellshaft, Oblon Spivak McClelland Maier & Neustadt P C, July 4, 2000: US06084126 (5 worldwide citation)

 

A method for gas-phase oxidation of an organic compound such as acrolein is provided, which includes oxidizing the organic compound with an oxidizing agent in the presence of a catalyst, to produce a product such as acrylic acid, wherein the catalyst includes a multimetal oxide material having at le ...

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35

Sarnecki Wilhelm Dr, Marosi Laszlo Dr, Autzen Horst Dr, Ohlinger Manfred Dr, Steck Werner Dr: Process for the preparation of acicular ferrimagnetic iron oxide, and its application.. BASF,March 11, 1981: EP0024693-A2 (5 worldwide citation)

 

Die Erfindung betrifft ein Verfahren zur Herstellung von nadelförmigem Ferrimagnetischem Eisenoxid durch Tempern von Eisen-(III)-oxid oder Eisen-(III)-oxidhydroxid bei 220 bis 460 DEG C und einem Wasserdampfpartialdruck von mindestens 30 mbar, Reduktion des resultierenden Produkts mit Wasserstoff un ...

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36

Hibst Hartmut Prof Dr, Tenten Andreas Dr, Marosi Laszlo Dr: Multimetal oxide masses. BASF, February 5, 1997: EP0756894-A2 (5 worldwide citation)

 

Multi-metal oxide compsn. of general formula ÄAÜpÄBÜq (I) is new (where, A = Mo12Va(Xb)(Xc)(Xd)Xe)(Xf )(Xg)Ox, B = X12CuhHiOy (promoter phase); X = W, Nb, Ta, Cr and/or Ce; X = Cu, Ni, Co, Fe, M n and/or Zn; X = Sb and/or Bi; X = Li, Na, K, Rb, Cs and/or H; X = Mg, Ca, Sr and/or Br; X = Si, Al, Ti a ...

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37

Laszlo Marosi: Preparation of silicon nitride powder. BASF Aktiengesellschaft, Keil & Weinkauf, August 22, 1989: US04859443 (5 worldwide citation)

 

Silicon nitride powder is prepared in a gas-phase reaction by reacting silicon tetrachloride with ammonia at above 500.degree. C. in a fluidized bed of silicon nitride particles. An amorphous silicon nitride having a BET specific surface area of greater than 50 m.sup.2 /g is used at the beginning of ...

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38

Wolfgang Hoelderich, Laszlo Marosi, Wolf D Mross, Matthias Schwarzmann: Preparation of a crystalline aluminosilicate (zeolite). BASF Aktiengesellschaft, Keil & Witherspoon, October 2, 1984: US04474741 (5 worldwide citation)

 

A process for the preparation of a crystalline aluminosilicate of the pentasil type by hydrothermal crystallization of SiO.sub.2 and Al(OH).sub.3 in the presence of an alkali metal salt at from 80.degree. to 250.degree. C., wherein the crystallization is carried out in ether or aqueous ether. Partic ...

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39

Franz Josef Broecker, Guenter Zirker, Bruno Triebskorn, Laszlo Marosi, Matthias Schwarzmann, Winfried Dethlefsen, Knut Kaempfer: Manufacture of methane. BASF Aktiengesellschaft,Johnston Keil Thompson & Shurtleff, April 13, 1976: US03950368 (5 worldwide citation)

 

A two-stage process for the manufacture of methane from hydrocarbons is described. In the first stage, the hydrocarbons are converted into methane-rich gases, using the nickel catalyst described below. The cracked gases thus obtained are cooled and converted into methane-rich gases in a further cata ...

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40

Broecker Franz Josef Dr, Gruendler Karl Heinz Dr, Marosi Laszlo Dr, Schwarzmann Matthias Dr, Triebskorn Bruno Dr, Zirker Guenter Dr: Manufacture of methanol by hydrogenation of carbon oxides and a method for producing a catalyst for this hydrogenation.. BASF, May 28, 1980: EP0011150-A1 (5 worldwide citation)

 

Verfahren zur Herstellung von Methanol durch Umsetzung eines Gasgemisches von Kohlenmonoxid, Kohlendioxid und Wasserstoff bei erhihner Temperatur und bei erhöhtem Druck in Gegenwart eines Katalysators, der Zink, Kupfer und Aluminium enthält, wobei man den Katalysator aus einem Mischkristall der Form ...

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41

Franz Josef Broecker, Guenter Zirker, Bruno Triebskorn, Laszlo Marosi, Matthias Schwarzmann, Winfried Dethlefsen, Knut Kaempfer: Catalyst for the manufacture of gases containing methane. BASF Aktiengesellschaft, Johnston Keil Thompson & Shurtleff, March 2, 1976: US03941721 (5 worldwide citation)

 

The compound Ni.sub.6 Al.sub.2 (OH).sub.16. CO.sub.3. 4H.sub.2 O is isolated from aqueous solution. The catalyst is obtained from this compound by drying, calcination and subsequent reduction in a stream of hydrogen, whilst maintaining very specific temperature gradients between the drying stage and ...

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42

Hartmut Hibst, Andreas Tenten, Laszlo Marosi: Multimetal oxides. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, February 6, 2001: US06184173 (4 worldwide citation)

 

Multimetal oxides containing Mo, V and at least one of the elements W, Nb, Ti, Zr, Hf, Ta, Cr, Si and Ge and having a special three-dimensional atomic arrangement are used in catalysts for the catalytic gas-phase oxidation of organic compounds.

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43

Hibst Hartmut Prof Dr, Tenten Andreas Dr, Marosi Laszlo Dr: Multi-metal oxides. BASF, May 21, 1997: EP0774297-A1 (4 worldwide citation)

 

A multimetal oxide of formula (I) Mo12-a-b-cVaMbMcOx is new, where: M= tungsten (W) and/or niobium (Nb); M = titanium (Ti), zirconium (Zr), hafnium (Hf), tantalum (Ta), chromium (Cr), silicon (Si) and/or germanium (Ge); a = 0.1-6; b = 0-6; c = 0-6; a+b+c = 0.1-6; and x = number determined by the val ...

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44

Hartig Juergen Dr, Stoessel Armin Dr, Herrmann Guenter Dr, Marosi Laszlo Dr: Process for the preparation of cyclohexanol and cyclohexanone.. BASF, December 28, 1983: EP0096798-A1(4 worldwide citation)

 

Verfahren zur Herstellung von Cyclohexanol und Cyclohexanon durch Behandeln von Cyclohexylhydroperoxid mit Trägerkatalysatoren, die 2 bis 30 Gew.-% Cobalt in oxidischer Form, berechnet als Cobalt, enthalten, bei einer Temperatur von 30 bis 160 DEG C, wobei man Zeolithe als Träger verwendet.

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45

Marosi Laszlo Dr, Stabenow Joachim Dr, Schlimper Hans Ulrich Dr, Schwarzmann Matthias Dr, Ostertag Werner Dr: (or) Dimethyl ether.. BASF, June 22, 1983: EP0081683-A1 (4 worldwide citation)

 

1. A process for the preparation of C2 -C4 -olefins in two stages by converting methanol and/or dimethyl ether over a zeolite catalyst of the pentasil type at from 300 to 600 degrees C and then subjecting some of the products to a cracking procedure, wherein, in the first stage, at least 95% of the ...

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46

Diercks Rainer Dr, Essig Manfred Dr, Marosi Laszlo Dr: Process for the preparation of formaldehyde by oxidative dehydrogenation of methanol in the presence of nitrous oxide.. BASF,November 17, 1994: EP0624565-A1 (4 worldwide citation)

 

Process for the preparation of formaldehyde by oxidative dehydrogenation of methanol in the gas phase on a silver catalyst, or silver-containing catalyst, by means of an oxygen-containing gas containing nitrous oxide (dinitrogen monoxide).

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47

Lehnert Rudi Dr, Marosi Laszlo Dr, Leutner Bernd Dr, Schlimper Hans Ulrich Dr, Schwarzmann Matthias Dr, Stabenow Joachim Dr: Process for the preparation of olefins from methanol and/or dimethyl ether.. BASF, September 21, 1983: EP0088965-A1 (4 worldwide citation)

 

1. A process for the preparation of olefins by reacting methanol and/or dimethyl ether over zeolite catalysts in 2 reactors in series at a pressure of from 0.1 to 10 bars and an hourly space velocity of from 0.1 to 100 g of methanol and/or dimethyl ether per g of catalyst, in two stages, in the pres ...

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48

Marosi Laszlo Dr, Stabenow Joachim Dr, Schwarzmann Matthias Dr: Manufacturing olefines from crude methanol.. BASF, October 1, 1980: EP0016405-A1 (4 worldwide citation)

 

1. A process for the preparation of C2 -C5 -olefins from crude methanol and/or dimethyl ether by catalytic conversion at an elevated temperature in the presence of a zeolitecontaining catalyst, characterized in that a zeolite containing iron oxide is used as catalyst.

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49

Marosi Laszlo, Stabenow Joachim, Schwarzmann Matthias: Preparation dolefines a partir de methanol brut, Preparation of olefins from crude methanol. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, August 31, 1982: CA1130820 (4 worldwide citation)

 

O.Z. 0050/033725Abstract of the disclosure: A process for the prepara-tion of C2-C5-olefins from crude methanol and/or dimethylether by catalytic conversion at an elevated temperaturein the presence of a zeolite-containing catalyst, whereinthe zeolite has been prepared from technical-grade water-gla ...

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50

Werner Steck, Herbert Haberkorn, Laszlo Marosi, Werner Huebner, Helmut Jakusch: Preparation of ferromagnetic chromium dioxide. BASF Aktiengesellschaft, Keil & Weinkauf, November 1, 1988: US04781851 (3 worldwide citation)

 

Ferromagnetic chromium dioxide is improved by subjecting chromium dioxide materials prepared by a known method to an additional heat treatment.

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51

Marosi Laszlo, Ripperger Willi, Schwarzmann Matthias: Process for the manufacture of crystalline berylloaluminosilicates. BASF Aktiengellschaft, Johnston Keil Thompson & Shurtleff, October 7, 1975: US3911088 (3 worldwide citation)

 

Berylloaluminosilicates having faujasite structure are described. These beryllium zeolites (Y-zeolites) can have substantially higher Al.sub.2 O.sub.3 /SiO.sub.2 ratios than the berylliumfree aluminosilicates of similar structure; they can be obtained hydrothermally from aqueous mixtures of the comp ...

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52

Hans Martin Weitz, Juergen Hartig, Laszlo Marosi: Preparation of diesters of olefinically unsaturated 1,2 and/or 1,4-diols. BASF Aktiengesellschaft, Keil & Witherspoon, November 11, 1980:US04233455 (3 worldwide citation)

 

Diesters of olefinically unsaturated 1,2- and/or 1,4-diols are prepared by reacting a conjugated diolefin, oxygen and a fatty acid, in the gas phase or liquid phase, over a solid catalyst which contains palladium and/or platinum and a further metal, which has an atomic number of from 21 to 30, from ...

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53

Steck Werner Dr, Sarnecki Wilhelm Dr, Marosi Laszlo Dr, Ohlinger Manfred Dr, Loeser Werner Dr: Process for preparing ferromagnetic acicular iron particles, and their use.. BASF, March 11, 1981: EP0024694-A2 (3 worldwide citation)

 

Die Erfindung betrifft ein Verfahren zur Herstellung nadelförmiger ferromagnetischer Eisenteilchen durch Tempern eines mit einem formstabilisierenden Oberflächenüberzug versehenen Goethits bei 250 bis 450 DEG C in einer wasserdampfhaltigen Atmosphäre mit einem Wasserdampfpartialdruck von mindestens ...

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54

Stabenow Joachim, Marosi Laszlo, Schwarzmann Matthias: Preparation dun zeolite boro-alumino-silicate de type structurel zsm-5, Preparation of a boro-alumino-silicate zeolite of the zsm-5 structural type. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, March 15, 1983: CA1142905 (3 worldwide citation)

 

ABSTRACT OF THE DISCLOSURE: The present invention is directed to a process for thepreparation of a boro-alumino-silicate zeolite of the ZSM-5structural type from SiO2, an alkali and an oxide of a trivalentmetal, by hydrothermal crystallization in the presence of anamine, wherein finely ground low-al ...

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55

Werner Steck, Laszlo Marosi, Herbert Haberkorn, Rainer Feser, Werner Huebner, Helmut Jakusch: Stabilization of acicular ferromagnetic chromium dioxide. BASF Aktiengesellschaft, Keil & Weinkauf, April 23, 1991: US05009877 (2 worldwide citation)

 

Acicular ferromagnetic chromium dioxide is stabilized by treatment with an alkali metal hydroxide in an aqueous alkaline suspension at elevated temperatures.

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56

Marosi Laszlo Dr, Stabenow Joachim Dr, Schwarzmann Matthias Dr: Process for producing a crystalline silica modification.. BASF, October 15, 1980: EP0017028-A1 (2 worldwide citation)

 

Die Anmeldung betrifft kristalline SiO2-Modifikation, die durch ein Röntgenbeugungsdiagramm mit bestimmten Beugungslinien charakterisiert ist, sowie ein Verfahren zur Herstellung dieser kristallinen SiO2-Modifikation durch Kristallisation von rekationsfähigem amorphem SiO2 in Gegenwart von Hexamethy ...

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57

Laszlo Marosi, Joachim Stabenow, Matthias Schwarzmann: Method for preparing crystalline SiO.sub.2 modification. BASF Aktiengesellschaft, Keil & Witherspoon, November 17, 1981:US04300911 (2 worldwide citation)

 

A crystalline SiO.sub.2 --modification, which is characterized by an X-ray diffraction diagram having certain diffraction lines, and a process for the preparation of this crystalline SiO.sub.2 --modification by crystallizing reactive amorphous SiO.sub.2 under hydrothermal conditions in the presence ...

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58

Marosi Laszlo: Preparation of silicon nitride powder. BASF, November 23, 1988: GB2204863-A (2 worldwide citation)

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59

Fischer Rolf Dr, Dostalek Roman Dr, Marosi Laszlo Dr: Process for preparing cyclohexene by partial hydrogenation of benzene.. BASF, August 11, 1993: EP0554765-A1 (1 worldwide citation)

 

Process for the preparation of cyclohexene by partial hydrogenation of benzene with hydrogen in the presence of water and ruthenium catalysts which are modified with nickel, at elevated temperature in the liquid phase, characterised in that the catalysts used are ruthenium/nickel alloys.

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60

Marosi Laszlo Dr, Stabenow Joachim Dr, Schwarzmann Matthias Dr: Process for manufacturing olefines from crude methanol.. BASF, October 1, 1980: EP0016406-A1 (1 worldwide citation)

 

1. A process for the preparation of C2 -C5 -olefins from crude methanol and/or dimethyl ether by catalytic conversion at an elevated temperature in the presence of a zeolite-containing catalyst, characterized in that undiluted crude methanol and/or undiluted dimethyl ether is used as the starting ma ...

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61

Steck Werner Dr, Sarnecki Wilhelm Dr, Marosi Laszlo Dr, Ohlinger Manfred Dr, Autzen Horst Dr: Process for preparing acicular ferromagnetic iron particles, and their use.. BASF, March 11, 1981: EP0024692-A2 (1 worldwide citation)

 

Die Erfindung betrifft ein Verfahren zur Herstellung von nadelförmigem ferromagnetischen Eisenteilchen durch Reduktion von mit einem formstabilisierenden Oberflächenüberzug versehenen Eisen(III)oxid, das durch Tempern von nadelförmigem Eisen(III)oxidhydroxid bei 250 bis 390 DEG C in einer wasserdamp ...

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62

Steck Werner Dr Chemiker, Sarnecki Wilhelm Dr Chemiker, Jakusch Helmut Dr Physiker, Marosi Laszlo Dr Chemiker: Process for producing isotropical magnetic-iron oxides containing cobalt.BASF, June 26, 1985: EP0146100-A2 (1 worldwide citation)

 

1. A process for the preparation of a cobalt-containing isotropic magnetic iron oxide of the formula (Cox Fe1-x )O[Fe2 O3 ], where x is from 0.08 to 0.8, wherein gamma -FeOOH in aqueous suspension is reacted with Co(II) ions and Fe(II) ions at a pH of above 8, under an inert gas, at from 35 C to the ...

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63

Joerg Klaus Dr, Mueller Franz Josef Dr, Irgang Matthias Dr, Marosi Laszlo Dr, Borchert Gerhard: Process for the production of methyl formiate.. BASF, May 15, 1991: EP0427062-A2 (1 worldwide citation)

 

Process for the preparation of methyl formate by reaction of methanol on copper-containing catalysts at elevated temperature and in the gas phase by using a catalyst containing, apart from 30 to 80% by weight of copper, calculated as CuO, 20 to 70% by weight of magnesium silicates, calculated as MgO ...

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64

Weitz Hans Martin Dr, Hartig Juergen Dr, Marosi Laszlo Dr: Process for the preparation of diesters of olefinically unsaturated 1,2- and/or-1,4-diols.. BASF, November 28, 1979: EP0005467-A1(1 worldwide citation)

 

Verfahren zur Herstellung zon Diestern von olefinisch ungesättigten 1,2- und/oder -1,4-Diolen durch Umsetzung eines konjugierten Diolefins, Sauerstoff und einer Fettsäure in der Gas- oder Flüssigphase an einem festen Katalysator, der Palladium und/oder Platin sowie als weiteres Metall ein Metall der ...

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65

Steck Werner Dr, Marosi Laszlo Dr, Haberkorn Herbert Dr, Feser Rainer Dr, Huebner Werner, Jakusch Helmut Dr: Process for stabilizing needle-shaped ferromagnetic chromium dioxide..BASF, April 15, 1987: EP0218234-A2 (1 worldwide citation)

 

1. A process for stabilizing acicular ferromagnetic chromium dioxide which is obtained by converting oxides of trivalent and hexavalent chronium under superatmospheric pressure and at elevated temperatures in the presence of water and modifiers, wherein the chromium dioxide is heated in an aqueous s ...

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66

Marosi Laszlo: Preparation of silicon nitride powder. BASF, November 23, 1988: GB2204862-A (1 worldwide citation)

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67

Hartig Juergen Dr, Stoessel Armin Dr, Hermann Guenter Dr, Marosi Laszlo Dr: Cobalt-containing supported catalysts, their preparation and use.. BASF, December 28, 1983: EP0096796-A2

 

Trägerkatalysatoren mit einem Gehalt von 2 bis 30 Gew.-% in oxidischer Form, berechnet als Kobalt auf Zeolithen als Träger, deren Herstellung und Verwendung.

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68

Laszlo Marosi, Joachim Stabenow, Knut Eger, Matthias Irgang, Guenter Zirker: Preparation of amorphous metal/magnesium silicates. BASF Aktiengesellschaft, Keil & Weinkauf, July 18, 1989:US04849395

 

Amorphous metal/magnesium silicates of the general formula

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69

Gehrer Eugen Dr, Marosi Laszlo Dr: Catalyst for carrying out reactions catalyzed by lewis acids. BASF, June 12, 1996: EP0715888-A2

 

A catalyst contng. ZrO2 and at least one 2 or 3 valent promoter is used to carry out Lewis acid catalysed reactions.

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70

Marosi Laszlo Dr, Stabenow Joachim Dr, Eger Knut Dr, Irgang Matthias Dr, Zirker Gunther Dr: Process for the preparation of amorphous metal-magnesium silicates.. BASF, October 5, 1988:EP0284919-A2

 

Die Anmeldung betrifft ein Verfahren zur Herstellung von amorphen Metall-Magnesiumsilikaten der allgemeinen Formel MxMgy(SiO2)nH2O, worin M ein zweiwertiges, reduzierbares Metallatom aus der Gruppe Cu, FeII, Co und Ni, x und y Zahlen sind, die zusammen den Wert von 1,5 erreichen können und n nach Tr ...

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71

Steck Werner Dr Chem, Jakusch Helmut Dr Phys, Marosi Laszlo Dr Chem: Process for producing isotropical magnetic-iron oxides containing cobalt. BASF, July 10, 1985: EP0147709-A2

 

1. A process for the preparation of a cobalt-containing isotropic magnetic iron oxide of the formula (Cox Fe1-x )O[Fe2 zO3 ] where x is from 0.08 to 0.8, wherein alpha-FeOOH in aqueous suspension is reacted with Co(II) ions and Fe(II) ions at a pH of above 9, under an inert gas, at from 50 degrees C ...

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72

Steck Werner Dr, Haberkorn Herbert Dr, Marosi Laszlo Dr, Huebner Werner, Jakusch Helmut Dr: Process for the improvement of ferromagnetic chromium dioxide.. BASF, April 8, 1987:EP0217352-A2

 

Die Erfindung betrifft ein Verfahren zur Verbesserung von ferromagnetischem Chromdioxid durch eine zusätzliche Temperung von nach bekannten Verfahren hergestellten Chromdioxidmaterialien.

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73

Stabenow Joachim, Marosi Laszlo, Schwarzmann Matthias: Preparation dolefines a partir de methanol brut, Preparation of olefins from crude methanol. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, August 10, 1982: CA1129440

 

O.Z. 0050/033724 Abstract of the disclosure: A process for the preparationof C2-C5-olefins from crude methanol and/or dimethylether by catalytic conversion at an elevated temperaturein the presence of a zeolite, containing iron oxide, asthe catalyst. The raw material used for the processis undiluted ...

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74

Gallei Ewald, Marosi Laszlo, Schwarzmann Matthias, Lorenz Ernst: Obtention industrielle de catalyseurs bifonctionnels pour la conversion dhydrocarbures, Manufacture of bifunctional catalysts for the conversion of hydrocarbons. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, August 10, 1982: CA1129394

 

Abstract of the Disclosure: A process for the manufactureof a bifunctional catalyst for the conversion of hydro-carbons, which contains a crystalline aluminosilicate ofthe type of the Y-zeolites as the acidic component and anoble metal as the hydrogenation component. The processconstitutes a technol ...

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75

Broecker Franz J, Marosi Laszlo, Gruendler Karl Heinz, Zirker Guenter, Triebskorn Bruno, Schwarzmann Matthias: Preparation de lalcool methylique, Preparation of methanol. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, April 19, 1983: CA1144946

 

O.Z. 0050/033,483 Abstract of the Disclosure: A process for the prepara-tion of methanol by reacting a gaseous mixture of carbonmonoxide, carbon dioxide and hydrogen at an elevatedtemperature and under superatmospheric pressure over acatalyst which contains zinc, copper and aluminum, thecatalyst bei ...

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76

Muller Ulrich, Schulz Michael, Marosi Laszlo, Harder Wolfgang: Composition de catalyseur exempte de metaux precieux, Catalyst composition free from noble metals. Basf Aktiengesellschaft,Basf Aktiengesellschaft, BORDEN LADNER GERVAIS, September 12, 1997: CA2248545

 

The invention concerns a catalyst composition which is free from noble metals and is obtained by: a) preparing an aqueous mixture which comprises: i) a salt of at least one base metal selected from elements having the atomic numbers 21 to 32, 39 to 42, 48 to 51, 57 to 75 and 81 to 83; ii) phosphate ...

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77

Hibst Hartmut, Marosi Laszlo, Tenten Andreas: Acrylic acid preparation method from acraldehyde oxidation by gas phase catalysis. BASF, deng yi, June 2, 2004: CN02157542

 

Multimetal oxide materials containing molybdenum, vanadium, copper and one or more of the elements tungsten, niobium, tantalum, chromium and cerium and having a multiphase structure, and their use for the preparation of acrylic acid from acrolein by gas-phase catalytic oxidation, and oxometallates o ...

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78

Hartmut Hibst, Andreas Tenten, Laszlo Marosi: Multimetal oxides. BASF, XU ZHUANGXUN, July 2, 1997: CN96114492

 

Multimetal oxides containing Mo, V and at least one of the elements W, Nb, Ti, Zr, Hf, Ta, Cr, Si and Ge and having a special three-dimensional atomic arrangement are used in catalysts for the catalytic gas-phase oxidation of organic compounds.

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79

Stabenow Joachim, Marosi Laszlo, Schwarzmann Matthias: Modification par cristallisation de sio in2 xx, et methode de preparation, Crystalline sio in2 xx-modification and its preparation. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, September 20, 1983: CA1153868

 

ABSTRACT OF THE DISCLOSURE: The present invention is concerned with a crystal-line SiO2-modification, which is characterized by an X-raydiffraction diagram having certain diffraction lines, and witha process for the preparation of this crystalline SiO2-modifi-cation. This process is achieved by heat ...

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80

Hoelderich Wolfgang, Mross Wolf D, Schwarzmann Matthias, Marosi Laszlo: Preparation dun aluminosilicate cristallin (zeolite), et son emploi a titre de catalyseur, Preparation of a crystalline aluminosilicate (zeolite), and use of the product as a catalyst. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, May 29, 1984: CA1168209

 

O.Z. 0050/034743 Abstract of the Disclosure: A process for the prepara-tion of a crystalline aluminosilicate of the pentasil typeby hydrothermal crystallization of SiO2 and Al(OH)3 inthe presence of an alkali metal salt at from 80 to 250�C,wherein the crystallization is carried out in ether oraqueou ...

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81

Marosi Laszlo, Schwarzmann Matthias, Schlimper Hans Ulrich, Stabenow Joachim: Preparation de zeolites, et leur emploi a titre dagents de catalyse, Preparation of zeolites and use of these zeolites as catalysts. Basf Aktiengesellschaft, ROBIC ROBIC & ASSOCIES ASSOCIATES, April 24, 1984: CA1166233

 

O.Z.0050/034495Abstract of the disclosure: A process for the prepara-tion of zeolites of the ZSM-5 structural type from amixture of SiO2 and Al(OH)3 by hydrothermal crystal-lization in an aqueous amine solution, in the absence ofalkali, at from 100 to 200�C, wherein the crystallizationis carried out ...

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82

Muller Ulrich, Schulz Michael, Marosi Laszlo, Harder Wolfgang: Catalyst composition free from noble metals. Basf Aktiengesellschaft, DREW & NAPIER, December 21, 1999: SG9804799-6

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83

Andreas Tenten, Laszlo Marosi, Hartmut Hibst: Multimetal oxides. Basf Aktiengesellschaft, DREW & NAPIER, April 17, 2001: SG9611112-5

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84

Müller Ulrich, Schulz Michael, Marosi Laszlo, Harder Wolfgang: (De) Edelmetallfreie katalysatorzusammensetzung, (En) Catalyst composition free from noble metals. Basf Aktiengesellschaft,Müller Ulrich, Schulz Michael, Marosi Laszlo, Harder Wolfgang, KINZEBACH Werner, September 12, 1997: WO/1997/032866

 

(EN) The invention concerns a catalyst composition which is free from noble metals and is obtained by: a) preparing an aqueous mixture which comprises: i) a salt of at least one base metal selected from elements having the atomic numbers 21 to 32, 39 to 42, 48 to 51, 57 to 75 and 81 to 83; ii) phosp ...

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85

Mueller Ulrich, Schulz Michael, Marosi Laszlo, Harder Wolfgang: Catalyst composition free from noble metals. BASF, December 23, 1998: EP0885206-A1

 

The invention concerns a catalyst composition which is free from noble metals and is obtained by: a) preparing an aqueous mixture which comprises: i) a salt of at least one base metal selected from elements having the atomic numbers 21 to 32, 39 to 42, 48 to 51, 57 to 75 and 81 to 83; ii) phosphate ...

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86

Hibst Hartmut, Tenten Andreas, Marosi Laszlo: Multimetal oxide materials. Basf Aktiengesellschaft, July 11, 2000: TW397708

 

Multimetal oxide materials containing molybdenum, vanadium, copper and one or more of the elements tungsten, niobium, tantalum, chromium and cerium and having a multiphase structure, and their use for the preparation of acrylic acid from acrolein by gas-phase catalytic oxidation, and oxometallates o ...

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87

Tenten Andreas, Martin Friedrich Georg, Hibst Hartmut, Marosi Laszlo, Kohl Veronika: Polymetal oxide material, its production and vapor phase catalytic oxidative production of acrylic acid.BASF, October 17, 1995: JP1995-267647

 

PURPOSE: To produce a polymetal oxide material having an improved selectivity for forming acrylic acid by mixing source materials of elementary constituents of the polymetal oxide material and heat-treating in a high pressure container under a specified pressure and at a specified temp. CONSTITUTION ...

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88

Hibst Hartmut Dr, Tenten Andreas, Marosi Laszlo: Multiple metal oxide material. BASF, May 20, 1997: JP1997-131532

 

PROBLEM TO BE SOLVED: To make the efficient contact gaseous phase oxidation of a low mol.wt. org. compd. possible by using a multiple metal oxide material which has a multiphase structure expressed by the specific formula and contains molybdenum, vanadium and ≥1 kinds of tungsten, niobium, tantalum, ...

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89

Fischer Rolf, Dostalek Roman Dr, Marosi Laszlo: Preparation of cyclohexene by partial hydrogenation of benzene. BASF, October 5, 1993: JP1993-255136

 

PURPOSE: To obtain cyclohexene in a high selectivity, high conversion rate, and high space yield by partially hydrogenating benzene in the liquid phase and at a high temperature, in the presence of water using an alloy of ruthenium and nickel which has a long service life as a catalyst. CONSTITUTION ...

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90

Hibst Hartmut, Tenten Andreas, Marosi Laszlo: Multiple metal oxide. BASF, July 29, 1997: JP1997-194213

 

PROBLEM TO BE SOLVED: To obtain a multiple metal oxide usable as a starting compd. for producing a multiple metal oxide material suitable for use as an active material for vapor phase catalytic oxidation of an org. compd. by using a compd. contg. at least one of specified elements. SOLUTION: This mu ...

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91

Multimetal oxide materials - Taiwan Patent 085109058

Title Multimetal oxide materials

Application Number 085109058

Publication Number 397708

Application Date July 25, 1996

Publication Date July 11, 2000

Inventor Marosi Laszlo Tenten Andreas Hibst Hartmut

Assignee Basf Aktiengesellschaftde

 

IPC B01J 23/841|C01G 41/02|C07B 33/00