Gunter Stephan

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Patents Grantslast 30 patents

Information Patent Grant
Water-insoluble azo-pyrimidine pigments
- Patent number 4,014,863
- Issue date Mar 29, 1977
- Bayer Aktiengesellschaft
- Gunter Stephan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...