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US 4,072,569 AGranted
Preparation of clavulanic using Streptomyces jumonjinensis
AssigneeBeecham Group Limited
InventorStephen J. Box
Life of this patent
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Abstract
Clavulanic acid and its salts may be produced by cultivating a strain of Streptomyces jumonjinensis.
Claims20
A process for the preparation of clavulanic acid or a salt thereof which process comprises cultivating a strain of Streptomyces jumonjinensis and isolating clavulanic acid or a salt thereof from the culture.
A process for the preparation of clavulanic acid or a salt thereof, which process comprises cultivating Streptomyces jumonjinensis NRRL 5741 or a high yielding mutant thereof, and isolating clavulanic acid or a salt thereof from the culture.
Dependencies are inferred from the claim text.