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 patentsUS5157007AOct 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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