Volker Richter

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Heidelberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cholesteric layered material having improved color stability, and t...
- Patent number 6,850,310
- Issue date Feb 1, 2005
- BASF Aktiengesellschaft
- Frank Prechtl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cholesteric layered material, and the production thereof
- Patent number 6,656,543
- Issue date Dec 2, 2003
- BASF Aktiengesellschaft
- Peter Schuhmacher
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cholesteric layered material having an improved color impression, a...
- Patent number 6,605,235
- Issue date Aug 12, 2003
- BASF Aktiengesellschaft
- Frank Meyer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Multilayer cholesteric pigments
- Patent number 6,582,781
- Issue date Jun 24, 2003
- BASF Aktiengesellschaft
- Peter Schuhmacher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coatings with a cholesteric effect and method for the production th...
- Patent number 6,410,130
- Issue date Jun 25, 2002
- BASF Aktiengesellschaft
- Peter Schuhmacher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Cholesteric layered material, and the production thereof
- Publication number 20030085380
- Publication date May 8, 2003
- BASF Aktiengesellschaft
- Peter Schuhmacher
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...