John C. Clayton

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Fastcote, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing cefuroxime axetil
- Patent number 5,013,833
- Issue date May 7, 1991
- Glaxo Group Limited
- Harold A. Crisp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of cefuroxime ester
- Patent number 4,994,567
- Issue date Feb 19, 1991
- Galaxo Group Limited
- Harold A. Crisp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a highly pure, substantially amorphous form of cefur...
- Patent number 4,820,833
- Issue date Apr 11, 1989
- Glaxo Group Limited
- Harold A. Crisp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amorphous form of cefuroxime ester
- Patent number 4,562,181
- Issue date Dec 31, 1985
- Glaxo Group Limited
- Harold A. Crisp
- C07 - ORGANIC CHEMISTRY