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John S. Davies
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Reigate, GB
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last 30 patents
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Patent Grant
11-ether derivatives of erythromycins
Patent number
4,847,242
Issue date
Jul 11, 1989
Beecham Group p.l.c.
John S. Davies
C07 - ORGANIC CHEMISTRY
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Patent Grant
Clavulanic acid 9-deoxy-9-thia derivatives their preparation and use
Patent number
4,427,689
Issue date
Jan 24, 1984
Beecham Group Limited
Iskander I. Zomaya
C07 - ORGANIC CHEMISTRY
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Patent Grant
Clavulanic acid derivatives their preparation and use
Patent number
4,372,962
Issue date
Feb 8, 1983
Beecham Group Limited
John S. Davies
C07 - ORGANIC CHEMISTRY