Nongyuan Shi

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of unsaturated ketones
- Patent number 6,586,635
- Issue date Jul 1, 2003
- Degussa AG
- Nongyuan Shi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of unsaturated 4,5-allene ketones, 3,5-...
- Patent number 6,380,437
- Issue date Apr 30, 2002
- Degussa AG
- Nongyuan Shi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 2,3,5-trimethylhydroquinone diesters
- Patent number 6,316,661
- Issue date Nov 13, 2001
- Degussa-Huls AG
- Steffen Krill
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,3,5-trimethylhydroquinone diesters
- Patent number 6,103,924
- Issue date Aug 15, 2000
- Degussa-Huls AG
- Nongyuan Shi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of trimethylhydroquinone diesters and of...
- Patent number 5,969,176
- Issue date Oct 19, 1999
- Degussa-Huls AG
- Steffen Krill
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for the preparation of unsaturated ketones
- Publication number 20020169342
- Publication date Nov 14, 2002
- Degussa AG
- Nongyuan Shi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the preparation of ketones
- Publication number 20020161263
- Publication date Oct 31, 2002
- Degussa AG
- Nongyuan Shi
- C07 - ORGANIC CHEMISTRY