Wilfried Fenske

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Hamminkeln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing sulfonated arylphosphines
- Patent number 7,102,034
- Issue date Sep 5, 2006
- Celanese Chemicals Europe GmbH
- Michael Riedel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing sulfonated arylphosphines
- Patent number 6,864,387
- Issue date Mar 8, 2005
- Celanese Chemicals Europe GmbH
- Michael Riedel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing sulfonated aryl phosphines
- Patent number 6,610,881
- Issue date Aug 26, 2003
- Celanese Chemicals Europe
- Michael Riedel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isomeric nonanols and decanols, their preparation, phthalic esters...
- Patent number 6,482,972
- Issue date Nov 19, 2002
- Hoechst Aktiengesellschaft
- Helmut Bahrmann
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing sulfonated arylphosphines
- Publication number 20060276669
- Publication date Dec 7, 2006
- Celanese Chemicals Europe GmbH
- Michael Riedel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing sulfonated arylphosphines
- Publication number 20050171377
- Publication date Aug 4, 2005
- Celanese Chemicals Europe GmbH
- Michael Riedel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing sulfonated arylphosphines
- Publication number 20040019236
- Publication date Jan 29, 2004
- Celanese Chemicals Europe GmbH
- Michael Riedel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Isomeric nonanols and decanols, their preparation, phthalic esters...
- Publication number 20020133047
- Publication date Sep 19, 2002
- Helmut Bahrmann
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...