Ulrich Gotsmann

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Bergen-Enkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of a condensation product from phenothi...
- Patent number 4,302,582
- Issue date Nov 24, 1981
- Cassella Aktiengesellschaft
- Gert Nagl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Condensation product from phenothiazine and p-nitrosophenol, proces...
- Patent number 4,218,219
- Issue date Aug 19, 1980
- Cassella Aktiengesellschaft
- Gert Nagl
- C07 - ORGANIC CHEMISTRY