Roland Ch.ang.telain

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Frenkendorf, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of concentrated aqueous dye formulation...
- Patent number 4,851,011
- Issue date Jul 25, 1989
- Ciba-Geigy Corporation
- Roger Lacroix
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...