Theo Sander

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for cleaning an exhaust gas
- Patent number 4,828,806
- Issue date May 9, 1989
- Didier-Werke AG
- Claus Flockenhaus
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for the separation of nitrogen oxides from combustion exha...
- Patent number 4,721,699
- Issue date Jan 26, 1988
- Didier-Werke AG
- Dietrich Wagener
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Catalyst for the selective reduction of nitrogen oxides in waste ga...
- Patent number 4,695,559
- Issue date Sep 22, 1987
- Didier-Werke AG
- Dietrich Wagener
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for removal of nitrogen oxides from exhaust gases
- Patent number 4,672,052
- Issue date Jun 9, 1987
- Didier-Werke AG
- Dietrich Wagener
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Process for the elimination of ammonia in coke plant waste waters
- Patent number 4,447,333
- Issue date May 8, 1984
- Didier Engineering GmbH
- Dietrich Wagener
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE