Wolfgang Brinkwerth

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Berg.-Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Distyryl compounds
- Patent number 4,610,807
- Issue date Sep 9, 1986
- Bayer Aktiengesellschaft
- Wolfgang Brinkwerth
- C07 - ORGANIC CHEMISTRY
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...
Information Patent Grant
Fluorescent dyestuffs
- Patent number 4,301,091
- Issue date Nov 17, 1981
- Bayer Aktiengesellschaft
- Rudolf Schieder
- C07 - ORGANIC CHEMISTRY