Othmar Hahn

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Basel, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone
- Patent number 4,648,994
- Issue date Mar 10, 1987
- Ciba-Geigy Corporation
- Rolf Muller
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...