Bernd Tieka

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Marly, CH

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Patents Grantslast 30 patents

Information Patent Grant
Diamenodinitroazo dyes
- Patent number 5,068,318
- Issue date Nov 26, 1991
- Ciba-Geigy Corporation
- Gero Decher
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...