Josef Witt

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pigment preparations
- Patent number 6,881,255
- Issue date Apr 19, 2005
- Bayer Chemicals AG
- Udo Herrmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Solid pigment preparations
- Patent number 6,596,073
- Issue date Jul 22, 2003
- Bayer Aktiengesellschaft
- Peter Roger Nyssen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic pigments in color filters liquid of crystal display
- Patent number 6,596,446
- Issue date Jul 22, 2003
- Bayer Aktiengesellschaft
- Mickey Wolf
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Diphenylamine age resisters for rubber
- Patent number 4,633,016
- Issue date Dec 30, 1986
- Bayer Aktiengesellschaft
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Aqueous pigment preparations for brilliant ink jet prints
- Publication number 20060189713
- Publication date Aug 24, 2006
- LANXESS Deutschland GmbH
- Udo Herrmann
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
Alkoxylated polyalkyleneimines having anionic groups and their use
- Publication number 20050155521
- Publication date Jul 21, 2005
- Udo Herrmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Pigment preparations
- Publication number 20040176499
- Publication date Sep 9, 2004
- Udo Herrmann
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
Organic pigments in color filters of liquid crystal display
- Publication number 20020034696
- Publication date Mar 21, 2002
- Mickey Wolf
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...