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Marco Bosch, Matthias Frauenkron, Milan Kostur, Otto Hofstadt: Shaped body containing a microporous material and at least one silicon-containing binder, method for the production thereof and its use as a catalyst, particularly in a method for producing triethylenediamine (TEDA).. BASF SE, Connolly Bove Lodge & Hutz, September 1, 2009: US07582583 (13 worldwide citation)

Process for producing a shaped body comprising a microporous material and at least one silicon-containing binder, which comprises the steps (I) preparing a mixture comprising the microporous material, the binder, a make-up aid and a solvent, (II) mixing and densifying the mixture, (III) shaping the ...


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Otto Kumberger, Michael Jolyon Sprague, Otto Hofstadt: Catalyst for steam-reforming methanol. BASF Aktiengesellschaft, Keil & Weinkauf, April 18, 2000: US06051163 (13 worldwide citation)

In a process for steam-reforming methanol, in which methanol and water are reacted at a catalyst with formation of hydrogen, the catalyst used can be prepared by


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Michael Baier, Otto Hofstadt, Wolfgang Jürgen Pöpel, Hermann Petersen: Catalyst for dehydrogenating ethyl benzene to produce styrene. BASF Aktiengesellschaft, Keil & Weinkauf, April 22, 2003: US06551958 (10 worldwide citation)

A process for the preparation of a catalyst comprising iron oxide, potassium oxide, a magnesium compound and a cerium compound, wherein the catalyst has one or more Fe/K phases K


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Christian Walsdorff, Otto Hofstadt, Raimund Felder, Ruprecht Meissner, Klaus Harth: Shaped catalysts. BASF Aktiengesellschaft, Keil & Weinkauf, February 11, 2003: US06518220 (9 worldwide citation)

Shaped catalysts for heterogeneously catalyzed reactions are in the form of hollow cylinders or annular tablets whose end faces are rounded both to the outer edge and to the edge of the central hole, i.e. have no right-angled edges.


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Werner Biffar, Otto Hofstadt, Klaus Kartte, Erwin Thomas, Franz Josef Weiss: Regeneration of inactive and poisoned platinum catalysts. BASF Aktiengesellschaft, Keil & Weinkauf, April 21, 1987: US04659683 (6 worldwide citation)

Noble metal catalyst, in particular platinum catalysts, which are applied on carriers and have become poisoned by metals as a result of being used for many years in the preparation of hydroxyl-ammonium salts by catalytic reduction of nitric oxide with hydrogen in an aqueous mineral acid are regenera ...


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Michael Baier, Christopher William Rieker, Otto Hofstadt, Wolfgang Buchele, Wolfgang Jurgen Popel, Hermann Petersen, Norbert Neth: Method of producing selective-dehydrogenation catalysts, and catalysts produced in this way. BASF Aktiengesellschaft, Keil & Weinkauf, February 22, 2000: US06028027 (2 worldwide citation)

Catalysts comprising iron and potassium and, if desired, further elements, which catalysts are suitable for dehydrogenating hydrocarbons to give the corresponding olefinically unsaturated hydrocarbons, are prepared by calcining a finely divided dry or aqueous mixture of an iron compound with a potas ...


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Otto Kumberger, Otto Hofstadt: Catalytical process of methanol reformation. BASF Aktiengesellschaft, Keil & Weinkauf, February 18, 2003: US06521197 (2 worldwide citation)

This invention relates to an improved process of producing hydrogen and carbon dioxide by the catalytical process of methanol reformation. The improvement resides in the use of catalysts made up substantially of metal oxides selected from the group consisting of Al


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Otto Hofstadt, Michael Hesse, Götz Peter Schindler, Klaus Harth, Falk Simon: Zr02-base catalyst carrier and method for the production thereof. BASF Aktiengesellschaft, Novak Druce Quigg, December 14, 2010: US07850842 (1 worldwide citation)

The invention relates to a process for preparing a catalyst support, in which zirconium dioxide powder is mixed with a binder, if desired a pore former, if desired an acid, water and, if desired, further additives to give a kneadable composition and the composition is homogenized, shaped to produce ...


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Christian Walsdorff, Christophe Houssin, Gerald Vorberg, Reinhard Koerner, Otto Hofstadt: Catalysts for dehydrogenation and/or hydrogenation of hydrocarbons, processes for preparing the same, and uses therefor. BASF SE, Connolly Bove Lodge & Hutz, August 23, 2011: US08003837

Catalysts comprising: a ground, spent (de)hydrogenation catalyst material present in an amount of 10 to 70% by weight based on the catalyst, the ground, spent catalyst material comprising iron oxide; and a fresh catalyst material present in an amount of 30 to 90% by weight based on the catalyst, the ...