Siegfried Gruhl

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Engelskirchen-Ruenderoth, DE

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for the reduction of nitrogen oxides from waste gases and...
- Patent number 5,173,466
- Issue date Dec 22, 1992
- Bayer Aktiengesellschaft
- Hans-Hermann Heins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Carbon-based catalyst useful in gas-solid reactions
- Patent number 4,992,404
- Issue date Feb 12, 1991
- Bayer Aktiengesellschaft
- Siegfried Gruhl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the reduction of nitrogen oxides from exhaust gases
- Patent number 4,910,005
- Issue date Mar 20, 1990
- Bayer Aktiengesellschaft
- Hans-Hermann Heins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL