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Daniel Ostgard, Monika Berweiler, Stefan Röder: Method for producing alcohols by hydrogenation of carbonyl compounds. Degussa, Smith Gambrell & Russell, November 26, 2002: US06486366 (134 worldwide citation)

A method for preparation of alcohols by catalytic hydrogenation of carbonyl compounds with hydrogen or hydrogen-containing gases in the presence of a hydrogenation catalyst of Raney type, where the catalyst is used in the form of hollow bodies, Preferred as catalytically active components are nickel ...


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Manfred Diehl, Roland Bergmann: Process for the accelerated solidification of hydraulic cement mixture. Degussa Aktiengesellschaft, Cushman Darby & Cushman, March 6, 1984: US04435216 (107 worldwide citation)

The solidification of hydraulic cement mixtures can be accelerated by addition of crystalline zeolites. Preferably, there are employed zeolites of Types A, X, and P.


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Rainer Domesle, Bernd Engler, Edgar Koberstein, Herbert Voelker: Catalyst for purification of exhaust gases of diesel engines and method of use. Degussa, Beveridge DeGrandi & Weilacher, October 20, 1992: US05157007 (105 worldwide citation)

An open-cell, monolithic catalyst for the purification of diesel-engine exhaust gas with a coating of finely divided inorganic oxides containing vanadium and platinum group metal as active components. The active components of the oxidic coating are added as water-soluble precursors which are then co ...


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Enos Ayres Axtell III, David C Kapp, Timothy A Knell, Miroslav Novotny, George Emil Sakoske: Laser marking method and apparatus. DMC Degussa Metals Catalysts Cerdec, Alan G Towner, Eckert Seamans Cherin & Mellott, May 29, 2001: US06238847 (95 worldwide citation)

A method of laser marking substrates such as glass, ceramic, metal and plastic is disclosed. A marking material is applied to the surface of the substrate, followed by irradiation of a portion of the marking material to form a permanent marking on the substrate. The non-irradiated portion of the mar ...


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Dankowski Manfred Dr: Process for preparing stabilized substituted diperoxysuccinic acids.. Degussa, Henkel Kgaa, April 30, 1986: EP0179223-A1 (81 worldwide citation)

1. Process for the preparation of stabilised, substituted diperoxysuccinic acids by reacting an anhydride of the formula see diagramm : EP0179223,P3,F1 in which R denotes a linear or branched alkyl radical having 4 to 20 C atoms or aryl, with an oxidation mixture consisting of hydrogen peroxide, wat ...


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Ulrich Riebel, Peter Khatchikian: Process and apparatus for measuring density and mass flow. Degussa Huls Aktiengesellschaft, Smith Gambrell & Russell, March 20, 2001: US06202494 (75 worldwide citation)

Measurement of density and mass flow of disperse systems with a gas as fluid phase flowing through a pipe is carried out by introducing sound in the frequency range 20-2,000 Hz in the middle of the cross-section of the pipe. The sound has a wavelength which is at least half the pipe diameter. The sp ...


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Rainer Domesle, Edgar Koberstein, Hans Dieter Pletka, Herbert Voelker: Process and catalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel engines. Degussa Aktiengesellschaft, Beveridge DeGrandi & Weilacher, May 7, 1985: US04515758 (71 worldwide citation)

A catalyst process is disclosed for the reduction of the ignition temperature of Diesel soot filtered out of the exhaust gas of Diesel engines by passing the exhaust gas over a catalytically active substance, which is selected from lithium oxide, copper chloride, vanadium oxide/alkali metal oxide co ...


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