Werner Huber

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Schworstadt, DE

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Patents Grantslast 30 patents

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Process for the preparation of metallisable azo dyes
- Patent number 5,126,435
- Issue date Jun 30, 1992
- Ciba-Geigy Corporation
- Hans P. Joswig
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of metallizable azo dyes carrying out c...
- Patent number 4,994,561
- Issue date Feb 19, 1991
- Ciba-Geigy Corporation
- Hans P. Joswig
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...