Bernd Derber

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Limburgerhof, DE

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Patents Grantslast 30 patents

Information Patent Grant
Aniline-based oil-soluble azo dyes
- Patent number 5,182,372
- Issue date Jan 26, 1993
- BASF Aktiengesellschaft
- Bernd Derber
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dye mixtures containing an oil-soluble dye and an acid-extractable dye
- Patent number 4,904,765
- Issue date Feb 27, 1990
- BASF Aktiengesellschaft
- Bernd Derber
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...