Karl-Werner Thiem

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 1-alkylamino-anthraquinones
- Patent number 4,163,747
- Issue date Aug 7, 1979
- 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
Information Patent Grant
Process for the preparation of mononitro-aromatic compounds
- Patent number 4,112,005
- Issue date Sep 5, 1978
- Bayer Aktiengesellschaft
- Karl-Werner Thiem
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing .alpha.-amino-.beta.'-nitroanthraquinones
- Patent number 4,102,906
- Issue date Jul 25, 1978
- Bayer Aktiengesellschaft
- Wolfgang Auge
- C07 - ORGANIC CHEMISTRY