Robert von Arx

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Muttenz, CH

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Patents Grantslast 30 patents

Information Patent Grant
Dye salts of the anthraquinone dye series
- Patent number 5,416,227
- Issue date May 16, 1995
- Ciba-Geigy Corporation
- Martin Tanner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...