Wolfgang Elser

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Patents Grantslast 30 patents

Information Patent Grant
Production of aminonitrodihydroxyanthraquinones by partial reductio...
- Patent number 4,048,199
- Issue date Sep 13, 1977
- BASF Aktiengesellschaft
- Wolfgang Elser
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Disperse dyes based on isoindolene derivatives
- Patent number 3,991,054
- Issue date Nov 9, 1976
- BASF Aktiengesellschaft
- Gustav Bock
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Disperse dyes based on isoindolene derivatives
- Patent number 3,987,045
- Issue date Oct 19, 1976
- BASF Aktiengesellschaft
- Gustav Bock
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anthrapyrimidine dyes
- Patent number 3,939,162
- Issue date Feb 17, 1976
- BASF Aktiengesellschaft
- Wolfgang Elser
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...