Peter K. Wehrenberg

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Piedmont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Synthesis of chlorinated pyrimidines
- Patent number 6,982,331
- Issue date Jan 3, 2006
- Syngenta Crop Protection, Inc.
- Timothy J. Doyle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of chlorinated pyrimidines
- Patent number 6,608,199
- Issue date Aug 19, 2003
- Syngenta Limited
- Timothy John Doyle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical process
- Patent number 6,160,117
- Issue date Dec 12, 2000
- Zeneca Limited
- Alan John Whitton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparation of herbicide intermediates
- Patent number 5,648,525
- Issue date Jul 15, 1997
- Zeneca Limited
- Peter K. Wehrenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-(substituted)-4-sulfobenzoic acid
- Patent number 5,565,608
- Issue date Oct 15, 1996
- Zeneca Limited
- Richard D. Gless
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Synthesis of chlorinated pyrimidines
- Publication number 20040054181
- Publication date Mar 18, 2004
- Timothy J. Doyle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis of chlorinated pyrimidines
- Publication number 20020055633
- Publication date May 9, 2002
- Timothy John Doyle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis of chlorinated pyrimidines
- Publication number 20020042514
- Publication date Apr 11, 2002
- Timothy John Doyle
- C07 - ORGANIC CHEMISTRY