Rupert Wenzel

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the purification of crude anthraquinone
- Patent number 4,155,922
- Issue date May 22, 1979
- Bayer Aktiengesellschaft
- Rupert Wenzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of (1-chloroethenyl-) oxirane
- Patent number 4,146,544
- Issue date Mar 27, 1979
- Bayer Aktiengesellschaft
- Gebhard Rauleder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-chlorobuta-1,3-diene
- Patent number 4,104,316
- Issue date Aug 1, 1978
- Bayer Aktiengesellschaft
- Gerhard Scharfe
- C07 - ORGANIC CHEMISTRY