Wilfried Kohler

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of mono-N-.beta.-cyanoethylanilines
- Patent number 5,391,804
- Issue date Feb 21, 1995
- Bayer Aktiengesellschaft
- Manfred Blazejak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the sulphonation of aromatic compounds with sulphur tri...
- Patent number 4,859,372
- Issue date Aug 22, 1989
- Bayer Aktiengesellschaft
- Horst Behre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alkali metal diphenylates and free h...
- Patent number 4,467,123
- Issue date Aug 21, 1984
- Bayer Aktiengesellschaft
- Dietmar Mayer
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
MERCAPTAN MIXTURE
- Publication number 20080293902
- Publication date Nov 27, 2008
- Lanxess Deutschland GmbH
- Werner Obrecht
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...