Alexander von Zelewsky

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Givisiez, CH

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Patents Grantslast 30 patents

Information Patent Grant
Mixed complexes of methine dyes
- Patent number 4,097,484
- Issue date Jun 27, 1978
- Ciba-Geigy Corporation
- Alexander von Zelewsky
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...