Haiyan George Dai

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Drexel Hill, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic C.sub.16 -C.sub.20 -substituted tetrahydro prostaglandins...
- Patent number 6,107,338
- Issue date Aug 22, 2000
- The Procter & Gamble Company
- John August Wos
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making epoxide intermediates
- Patent number 6,066,751
- Issue date May 23, 2000
- The Procter & Gamble Company
- John August Wos
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic C16-C20 substituted tetrahydro prostaglandins useful as FP...
- Patent number 6,048,895
- Issue date Apr 11, 2000
- The Procter & Gamble Company
- John August Wos
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Aromatic C.sub.16 -C.sub.20 -substituted tetrahydro prostaglandins...
- Patent number 5,977,173
- Issue date Nov 2, 1999
- John August Wos
- C07 - ORGANIC CHEMISTRY