Gunter Sereinig

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Schopfheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of metallizable azo dyes by carrying ou...
- Patent number 5,196,518
- Issue date Mar 23, 1993
- Ciba-Geigy Corporation
- Horst Langfeld
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of azo dyes by carrying out coupling in...
- Patent number 5,026,830
- Issue date Jun 25, 1991
- Ciba-Geigy Corporation
- Horst Langfeld
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...