Josef Klosa

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Berlin, DT

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Patents Grantslast 30 patents

Information Patent Grant
4,4-Diarylpiperidines and process of making the same
- Patent number 4,022,786
- Issue date May 10, 1977
- Byk-Gulden Lomberg Chemische Fabrik GmbH
- Gerhard Hackmack
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4,4-Diarylpiperidine compositions and use
- Patent number 4,016,280
- Issue date Apr 5, 1977
- Byk-Gulden Lomberg Chemische Fabrik GmbH
- Heinz Gunter Menge
- C07 - ORGANIC CHEMISTRY