Detlef Szeymies

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Kurten, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing dyes and/or brightener formulations
- Patent number 6,613,104
- Issue date Sep 2, 2003
- Bayer Aktiengesellschaft
- Wolfgang Zarges
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing dyes and/or brightener formulations
- Patent number 6,241,786
- Issue date Jun 5, 2001
- Bayer Aktiengesellschaft
- Wolfgang Zarges
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of substituted 4,4'-diaminostilbene-2,2...
- Patent number 6,025,490
- Issue date Feb 15, 2000
- Bayer Aktiengesellschaft
- Ulrich Feldhues
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a concentrated aqueous reactive dyes...
- Patent number 4,778,603
- Issue date Oct 18, 1988
- Bayer Aktiengesellschaft
- Jochen Koll
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing dyes and/or brightener formulations
- Publication number 20010049851
- Publication date Dec 13, 2001
- Wolfgang Zarges
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...