Wolfgang Huffer

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Fluorescent dyestuffs, processes for their preparation and their us...
- Patent number 4,551,265
- Issue date Nov 5, 1985
- Bayer Aktiengesellschaft
- Wolfgang Brinkwerth
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fluorescent dyestuffs, processes for their preparation and their us...
- Patent number 4,338,258
- Issue date Jul 6, 1982
- Bayer Aktiengesellschaft
- Wolfgang Brinkwerth
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...