Walter Hahn

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Mixtures comprising tetrakis(pyrrolidino/piperdino)phosphonium salts
- Patent number 6,407,029
- Issue date Jun 18, 2002
- Clariant GmbH
- Berthold Schiemenz
- C07 - ORGANIC CHEMISTRY