Roland Ronco

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Pfeffingen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of cationic azo or hydrazone dyes in which the alkylati...
- Patent number 4,925,926
- Issue date May 15, 1990
- Ciba-Geigy Corporation
- Roland Ronco
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 2,4,6-tris(aminophenylamino)triazines
- Patent number 4,650,867
- Issue date Mar 17, 1987
- Ciba-Geigy Corporation
- Roland Ronco
- C07 - ORGANIC CHEMISTRY