Esters

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Patents Grantslast 30 patents

Information Patent Grant
Bis-esters of methanediol with penicillins and penicillanic acid 1,...
- Patent number 4,488,994
- Issue date Dec 18, 1984
- Pfizer Inc.
- Eric C. Bigham
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2.beta.-Chloromethyl-2.alpha.-methylpenam-3.alpha.-carboxylic acid...
- Patent number 4,444,687
- Issue date Apr 24, 1984
- Bristol-Myers Company
- William J. Gottstein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-esters of methanediol with penicillins and penicillanic acid 1,...
- Patent number 4,432,903
- Issue date Feb 21, 1984
- Pfizer Inc.
- Eric C. Bigham
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3928595
- Patent number 3,928,595
- Issue date Dec 23, 1975
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE