Wilfried Hansmann

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble fiber-reactive dyes, processes for their preparation,...
- Patent number 6,060,591
- Issue date May 9, 2000
- Dy Star Textilfarben GmbH & Co. Deutschland KG
- Wilfried Hansmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble fiber-reactive dyes, preparation thereof and use thereof
- Patent number 6,046,311
- Issue date Apr 4, 2000
- Dystar Textilfarben GmbH & Co. Deutschland KG
- Wilfried Hansmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing 2,4,6-trichloropyrimidine
- Patent number 5,712,394
- Issue date Jan 27, 1998
- Bayer Aktiengesellschaft
- Wilfried Hansmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthylazonaphthol dyes which contain a 5-chloro-6-fluoropyrimidin...
- Patent number 5,498,700
- Issue date Mar 12, 1996
- Bayer Aktiengesellschaft
- Hermann Henk
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...