Hans Theidel

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Paper-coating slips containing fluorescent brighteners
- Patent number 4,888,128
- Issue date Dec 19, 1989
- Bayer Aktiengesellschaft
- Jochen Koll
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fluorescent dyestuffs
- Patent number 4,184,977
- Issue date Jan 22, 1980
- Bayer Aktiengesellschaft
- Udo Eckstein
- C07 - ORGANIC CHEMISTRY