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 ...

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.

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 (106 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 ...


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 (98 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 ...

Dankowski Manfred Dr: Process for preparing stabilized substituted diperoxysuccinic acids.. Degussa, Henkel Kgaa, April 30, 1986: EP0179223-A1 (91 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 ...

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 ...

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 ...

Harald Klein, Jürgen Leyrer, Rainer Domesle, Egbert Lox, Thomas Kreuzer: Process for preparing a catalyst. DMC2 Degussa Metals, Smith Gambrell & Russell, January 29, 2002: US06342465 (70 worldwide citation)

A process for preparing a catalyst which has a catalytically active coating of high surface area finely divided materials and catalytically active components on an inert carrier structure. A powder mixture of the finely divided materials used is impregnated with a solution of precursor compounds of ...