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last 30 patents
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Patent Grant
Catalyst for reducing nitrogen oxides in oxidizing and reducing atm...
Patent number
6,534,439
Issue date
Mar 18, 2003
Degussa-Huls Aktiengesellschaft
Hans van den Tillaart
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for the selective catalytic reduction of the nitrogen oxide...
Patent number
6,334,986
Issue date
Jan 1, 2002
Degussa AG
Jürgen Gieshoff
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Oxidation catalyst for internal combustion engines
Patent number
6,077,489
Issue date
Jun 20, 2000
Degussa Huls Aktiengesellschaft
Harald Klein
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL