Georg Dehmel

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Cologne- Buchheim, DT

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Patents Grantslast 30 patents

Information Patent Grant
Reactive dyestuffs containing a substituted 1-methyl or 1-ethyl pyr...
- Patent number 3,988,310
- Issue date Oct 26, 1976
- Bayer Aktiengesellschaft
- Klaus Gerlach
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-insoluble polyazo dyestuff comprising two or three identical...
- Patent number 3,971,741
- Issue date Jul 27, 1976
- Bayer Aktiengesellschaft
- Georg Dehmel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...