Reiner Ditzer

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of beta-hydroxyalkypicolinium salts
- Patent number 5,840,902
- Issue date Nov 24, 1998
- Bayer Aktiengesellschaft
- Karlheinrich Meisel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trisazo dyestuffs containing a naphtholamino sulfonic acid componen...
- Patent number 4,235,773
- Issue date Nov 25, 1980
- Bayer Aktiengesellschaft
- Volker Huhne
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...