Hans-Josef Remsperger

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Florsheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of triphenylemethane coloring agents
- Patent number 5,808,116
- Issue date Sep 15, 1998
- Hoechst Aktiengesellschaft
- Arpad Acs
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...