Bernd Thelen

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the distillation of a mixture of isomeric diisocyanatod...
- Patent number 7,649,108
- Issue date Jan 19, 2010
- Bayer MaterialScience AG
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for working up nitric acid
- Patent number 4,344,827
- Issue date Aug 17, 1982
- Bayer Aktiengesellschaft
- Wolfgang Auge
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for isolating aromatic dinitro compounds
- Patent number 4,261,908
- Issue date Apr 14, 1981
- Bayer Aktiengesellschaft
- Bernd Schroeder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of high-melting organic products
- Patent number 4,141,799
- Issue date Feb 27, 1979
- Bayer Aktiengesellschaft
- Bernd Thelen

Patents Applicationslast 30 patents

Information Patent Application
Process for the distillation of a mixture of isomeric diisocyanatod...
- Publication number 20040236139
- Publication date Nov 25, 2004
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY