Berthold Schiemenz

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing substituted benzoyl chlorides
- Patent number 6,844,468
- Issue date Jan 18, 2005
- Clariant GmbH
- Lars Bierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aminophosphonium compounds
- Patent number 6,645,904
- Issue date Nov 11, 2003
- Clariant GmbH
- Berthold Schiemenz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aminophosphonium compounds
- Patent number 6,465,643
- Issue date Oct 15, 2002
- Clariant GmbH
- Berthold Schiemenz
- C07 - ORGANIC CHEMISTRY
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

Patents Applicationslast 30 patents

Information Patent Application
Novel aminophosphonium compounds
- Publication number 20040029723
- Publication date Feb 12, 2004
- Clariant GmbH
- Berthold Schiemenz
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing substituted benzoyl chlorides
- Publication number 20030130537
- Publication date Jul 10, 2003
- Clariant GmbH
- Lars Bierer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel aminophosphonium compounds
- Publication number 20020193592
- Publication date Dec 19, 2002
- Clariant GmbH
- Berthold Schiemenz
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing substituted benzoyl chlorides
- Publication number 20020040158
- Publication date Apr 4, 2002
- Clariant GmbH
- Lars Bierer
- C07 - ORGANIC CHEMISTRY