Volker Ka/ ss

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2,4,6-trichloropyrimidine
- Patent number 5,898,073
- Issue date Apr 27, 1999
- Bayer Aktiengesellschaft
- Volker Kass
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4,6-dichloropyrimidines
- Patent number 5,677,453
- Issue date Oct 14, 1997
- Bayer Aktiengesellschaft
- Gunther Cramm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-aryl-ethane-sulphonic acids
- Patent number 5,512,679
- Issue date Apr 30, 1996
- Bayer Aktiengesellschaft
- Jurgen-Dietrich Meier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-chloro-benzothiazoles or 2-chloro-benzoxazoles
- Patent number 5,502,201
- Issue date Mar 26, 1996
- Bayer Aktiengesellschaft
- Volker Ka/ ss
- C07 - ORGANIC CHEMISTRY