Wolfgang Frank

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Koln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyfunctional carbosiloxanes with linear and cyclic components
- Patent number 6,844,394
- Issue date Jan 18, 2005
- Bayer Aktiengesellschaft
- Lutz Schmalstieg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous process for preparing metal complex pigments
- Patent number 6,448,385
- Issue date Sep 10, 2002
- Bayer Aktiengesellchaft
- Udo Herrmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of low-salt, liquid dyestuff preparations
- Patent number 6,120,561
- Issue date Sep 19, 2000
- Bayer Aktiengesellschaft
- Peter Wild
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of diazonium compounds with a low conten...
- Patent number 5,986,075
- Issue date Nov 16, 1999
- Bayer Corporation
- John C. DuBose
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Polyfunctional carbosiloxanes with linear and cyclic components
- Publication number 20030232921
- Publication date Dec 18, 2003
- Lutz Schmalstieg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Continuous process for preparing metal complex pigments
- Publication number 20010047087
- Publication date Nov 29, 2001
- Udo Herrmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...