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Patents Grantslast 30 patents

Information Patent Grant
Crystal polymorphs of C.I. Pigment Yellow 191 and their preparation
- Patent number 6,602,342
- Issue date Aug 5, 2003
- Clariant GmbH
- Martin U. Schmidt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Safer pigment preparations
- Patent number 6,479,569
- Issue date Nov 12, 2002
- Clariant GmbH
- Rüdiger Jung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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...

Patents Applicationslast 30 patents

Information Patent Application
New crystal polymorphs of C.I. Pigment Yellow 191 and their prepara...
- Publication number 20020077387
- Publication date Jun 20, 2002
- Clariant GmbH
- Martin U. Schmidt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Safer pigment preparations
- Publication number 20010007887
- Publication date Jul 12, 2001
- Clariant GmbH
- Rudiger Jung
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...