Rudolf Wiemers

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Meerbusch, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of N-phenyl-1-naphthylamine
- Patent number 6,133,480
- Issue date Oct 17, 2000
- Bayer Aktiengesellschaft
- Horst Behre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating off aminobiphenyl from diphenylamine
- Patent number 5,602,284
- Issue date Feb 11, 1997
- Bayer Aktiengesellschaft
- Frank Arndt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for regenerating spent vanadium oxide containing oxidation...
- Patent number 4,111,832
- Issue date Sep 5, 1978
- Bayer Aktiengesellschaft
- Klaus Rohbock
- C07 - ORGANIC CHEMISTRY