Klaus Langheinrich

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Bergisch-Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Triphendioxazine dyestuffs
- Patent number 4,621,138
- Issue date Nov 4, 1986
- Bayer Aktiengesellschaft
- Horst Jager
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...