Hans-Joachim Herrmann

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Troisdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of hydrazobenzenes by catalytic hydrogenati...
- Patent number 4,326,078
- Issue date Apr 20, 1982
- Dynamit Noble Aktiengesellschaft
- Hans-Joachim Herrmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric azomethines
- Patent number 4,322,554
- Issue date Mar 30, 1982
- Dynamit Nobel Aktiengesellschaft
- Hans-Joachim Herrmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aromatic bisazomethines, a method for their preparation, and their...
- Patent number 4,297,502
- Issue date Oct 27, 1981
- Dynamit Nobel Aktiengesellschaft
- Hans-Joachim Herrmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...