Dietmar Kranz

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of pigment concentrates
- Patent number 4,244,863
- Issue date Jan 13, 1981
- Bayer Aktiengesellschaft
- Heinz Hemmerich
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...