Patricia M. Roberts

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Redhill, GB

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Patents Grantslast 30 patents

Information Patent Grant
4-Allyl azetidinone intermediate for .beta.-lactam antibacterial ag...
- Patent number 4,401,595
- Issue date Aug 30, 1983
- Beecham Group Limited
- Andrew J. G. Baxter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.beta.-Lactam antibiotics, a process for their preparation and thei...
- Patent number 4,263,314
- Issue date Apr 21, 1981
- Beecham Group Limited
- Roger J. Ponsford
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthetic .beta.-lactam compounds, a process for their preparation...
- Patent number 4,210,661
- Issue date Jul 1, 1980
- Beecham Group Limited
- Roger J. Ponsford
- C07 - ORGANIC CHEMISTRY