Gerhard Gnad

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Ludwigshafen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble azo dyes having a substituted 2-hydroxypyridone (6) c...
- Patent number 3,979,378
- Issue date Sep 7, 1976
- Badische Anilin- & Soda-Fabrik Aktiengesellschaft
- Gerhard Gnad
- C07 - ORGANIC CHEMISTRY