P

Inventor

KOBERSTEIN EDGAR

DE53 patents
⚠️ This page may combine multiple inventors who share the name “KOBERSTEIN EDGAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEGUSSA

49 patents
US5157007AOct 20, 1992

Catalyst for purification of exhaust gases of diesel engines and method of use

DEGUSSA151 citations99
US4515758AMay 7, 1985

Process and catalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel engines

DEGUSSA155 citations99
US5120695AJun 9, 1992

Catalyst for purifying exhaust gases from internal combustion engines and gas turbines operated at above the stoichiometric ratio

DEGUSSA156 citations97
US4963332AOct 16, 1990

Method for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agent

DEGUSSA127 citations97
US5179059AJan 12, 1993

Catalyst for purifying the exhaust gases of internal combustion engines and method for making the catalyst

DEGUSSA59 citations96
US4900517AFeb 13, 1990

Apparatus for the purification of exhaust gas from diesel motors

DEGUSSA72 citations96
US4814146AMar 21, 1989

Device for the containment of monolithic catalysts

DEGUSSA78 citations96
US4477417AOct 16, 1984

Catalyst for reducing the ignition temperature of diesel soot

DEGUSSA48 citations96
US5496788AMar 5, 1996

Coating dispersion for exhaust gas catalysts

DEGUSSA62 citations95
US5198403AMar 30, 1993

Process for producing a catalyst for selective reduction of nitrous oxides with ammonia

DEGUSSA60 citations95
US4294726AOct 13, 1981

Catalyst for the purification of exhaust gases of internal combustion engines

DEGUSSA102 citations95
US5116586AMay 26, 1992

Method for the reduction of nitrogen oxides from waste gases using a zeolite

DEGUSSA96 citations94
US4188309AFeb 12, 1980

Shaped catalyst and process for its production

DEGUSSA62 citations94
US5073532ADec 17, 1991

Catalyst for purifying exhaust gases from internal combustion engines and method of making the catalyst

DEGUSSA45 citations93
US5045521ASep 3, 1991

Catalyst for the purification of exhaust gases of internal combustion engines with reduction of hydrogen sulfide emission

DEGUSSA28 citations93
US4916107AApr 10, 1990

Catalyst for the selective reduction of nitrogen oxides with ammonia

DEGUSSA85 citations93
US4118199AOct 3, 1978

Monolithic carrier catalyst and arrangements of such a catalyst for the purification of exhaust gases from an internal combustion engine

DEGUSSA88 citations93
US5958829ASep 28, 1999

Coating dispersion for exhaust gas catalysts

DEGUSSA43 citations92
US5514354AMay 7, 1996

Method for using a catalyst to purify exhaust gases from a diesel engine

DEGUSSA24 citations92
US5300472AApr 5, 1994

Catalyst for selective reduction of nitrous oxides with ammonia

DEGUSSA23 citations92
US5043311AAug 27, 1991

Monolithic or honeycomb-type catalyst

DEGUSSA45 citations92
US5013705AMay 7, 1991

Platinum-free three-way catalyst

DEGUSSA50 citations92
US5001103AMar 19, 1991

Rhodium-free three-way catalyst

DEGUSSA35 citations92
US4744967AMay 17, 1988

Process for the purification of exhaust gases containing oxides of nitrogen and sulfur

DEGUSSA35 citations92
US4588707AMay 13, 1986

Catalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel engines

DEGUSSA27 citations92
US4363753ADec 14, 1982

Mechanically stable screen cloth construction made of metal

DEGUSSA33 citations92
US4105590AAug 8, 1978

Catalysts and the process for their production

DEGUSSA44 citations92
US4318894AMar 9, 1982

Apparatus for the catalytic purification of exhaust gases

DEGUSSA50 citations88
US4963521AOct 16, 1990

Exhaust-gas catalyst with reduced tendency to store sulfur oxides and to emit hydrogen sulfide and process for preparing the catalyst

DEGUSSA22 citations82
US4362605ADec 7, 1982

Sensor for measuring the oxygen content in the exhaust gas of combustion engines and method thereof

DEGUSSA19 citations82
US4048232ASep 13, 1977

Process for the production of 3-methylmercaptopropionaldehyde

DEGUSSA29 citations81
US4048098ASep 13, 1977

Catalyst for purification of exhaust gases and processes for its production and use

DEGUSSA30 citations81
US5215953AJun 1, 1993

Catalyst for the oxidation of sulfur dioxide and method for the production of the catalyst

DEGUSSA20 citations80
US5131260AJul 21, 1992

Device and method for the continuous measurement of the ammonia concentration in gases in the ppm range

DEGUSSA21 citations79
US5024985AJun 18, 1991

Support material for three-way catalysts containing platinum group metal and having reduced tendency for H2 S emission

DEGUSSA15 citations74
US4987112AJan 22, 1991

Catalyst to eliminate noxious substances contained in the exhaust gases of predominantly alcohol fueled internal combustion engines, a process for its preparation, and uses

DEGUSSA10 citations74
US4909916AMar 20, 1990

Method of working up the solution from the enzymatic resolution of a racemate of an N-acetyl-DL-amino-carboxylic acid

DEGUSSA8 citations74
US4450244AMay 22, 1984

Catalyst for the combustion of harmful substances contained in exhaust gases of internal combustion engines operated with alcohol and process for the production of the catalyst

DEGUSSA16 citations74
US5120701AJun 9, 1992

Titanium dioxide compacts, method of their production and a catalyst coated on a carrier of titanium dioxide

DEGUSSA14 citations73
US4861937AAug 29, 1989

Catalysts for converting alcohols and/or aliphatic ether to unsaturated hydrocarbons and process for their production

DEGUSSA15 citations73
US4374047AFeb 15, 1983

Process for application of a catalytically active coating containing platinum, palladium or rhodium or their mixtures to a carrier and product made by said process

DEGUSSA9 citations73
US4316823AFeb 23, 1982

Method of manufacturing a monolithic metallic matrix coated with a catalysis promoting metal oxide

DEGUSSA12 citations73
US4034060AJul 5, 1977

Exhaust gas purifying catalyst and process of making and using same

DEGUSSA18 citations73
US4218341AAug 19, 1980

Process for the application of a catalytically active coating on a catalyst carrier

DEGUSSA8 citations72
US4081576AMar 28, 1978

Process for producing an adherent metal oxide coating on a solid body

DEGUSSA16 citations72
US3931391AJan 6, 1976

Process for oxidation of ammonia

DEGUSSA9 citations70
US4859428AAug 22, 1989

Apparatus for the containment of monolithic catalysts

DEGUSSA4 citations62
US4164557AAug 14, 1979

Process for the production of β-lithium aluminate and needle-shaped product

DEGUSSA5 citations59
US4731477AMar 15, 1988

Process for the ring cleavage of 2-isopropyl-5,5-dimethylthiazolidines substituted in the 4-position

DEGUSSA2 citations56

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