Wolfgang Bergstein

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6458 Rodenbach 1, DE

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Patents Grantslast 30 patents

Information Patent Grant
Catalysts for the production of 2-cyanopyrazine
- Patent number 4,496,729
- Issue date Jan 29, 1985
- Degussa Aktiengesellschaft
- Wolfgang Bergstein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalysts for the production of 2-cyanopyrazine
- Patent number 4,419,272
- Issue date Dec 6, 1983
- Degussa AG
- Bergstein Wolfgang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active 1,2-bis-(diphenylphosphine)-compounds
- Patent number 4,356,324
- Issue date Oct 26, 1982
- Wolfgang Bergstein
- C07 - ORGANIC CHEMISTRY