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Gunther Spitznagel
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Erlangen, DE
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last 30 patents
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Patent Grant
Method of operating a catalytic converter
Patent number
6,365,119
Issue date
Apr 2, 2002
Siemens Aktiengesellschaft
Klaus Hüttenhofer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for reducing the nitrogen oxide concentration in a flowing...
Patent number
6,054,408
Issue date
Apr 25, 2000
Siemens Aktiengesellschaft
Erich Hums
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Arsenic-resistant mixed oxide catalyst and process for producing th...
Patent number
5,112,794
Issue date
May 12, 1992
Siemens Aktiengesellschaft
Erich Hums
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL