Otto Bitterlin

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Basel, CH

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Patents Grantslast 30 patents

Information Patent Grant
Metallized bis-formazans
- Patent number 4,158,003
- Issue date Jun 12, 1979
- Ciba-Geigy AG
- Otto Bitterlin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
New heavy metal complex dyes, process for their manufacture and use...
- Patent number 4,116,624
- Issue date Sep 26, 1978
- Ciba-Geigy Corporation
- Otto Bitterlin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...