Artur Meyer

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Schoneck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of derivatives of 3-(4-hydroxy-anilino)...
- Patent number 4,320,060
- Issue date Mar 16, 1982
- Cassella Aktiengesellschaft
- Steffen Piesch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating sulphur dyestuffs from aqueous crude melts co...
- Patent number 4,309,178
- Issue date Jan 5, 1982
- Cassella Aktiengesellschaft
- Georg Daniek
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...