Franz Schui

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Frankfurt am Main, DE

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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
Specifically influencing the triboelectric effect of azo pigments
- Patent number 4,957,841
- Issue date Sep 18, 1990
- Hoechst Aktiengesellschaft
- Hans-Tobias Macholdt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
.beta.-modified crystalline red pigment
- Patent number 4,719,292
- Issue date Jan 12, 1988
- Hoechst Aktiengesellschaft
- Franz Schui
- 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...