Claus Dittel

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Solothurn, CH

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of tocopheryl acetate
- Patent number 7,169,943
- Issue date Jan 30, 2007
- DSM IP Assets B.V.
- Werner Bonrath
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of α-tocopheryl acetate
- Patent number 7,135,580
- Issue date Nov 14, 2006
- DSM IP Assets B.V.
- Werner Bonrath
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Manufacture of tocopheryl acetate
- Publication number 20070112206
- Publication date May 17, 2007
- Werner Bonrath
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Manufacture of tocopheryl acetate
- Publication number 20060094886
- Publication date May 4, 2006
- Werner Bonrath
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the manufacture of alpha-tocopheryl acetate
- Publication number 20060052618
- Publication date Mar 9, 2006
- Werner Bonrath
- C07 - ORGANIC CHEMISTRY