Kristina Schiffer

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Bad Homburg v.d.H, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing azo colorants
- Patent number 6,548,647
- Issue date Apr 15, 2003
- Clariant GmbH
- Erwin Dietz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing azo colorants
- Publication number 20020055619
- Publication date May 9, 2002
- Clariant GmbH
- Erwin Dietz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...