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Primary Examiner: Friedman, Stanley J.
Assistant Examiner:
Attorney: Magee, Jr.; James

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Title: Process for preparing cirramycin A.sub.1

Abstract: The specification discloses a process for preparing cirramycin A.sub.1 which comprises fermentation of cirramycin B.sub.1 and subsequent conversion thereof to cirramycin A.sub.1 by incubation in the presence of cane molasses.

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Inventors: Miyaki, Takeo (Yokohama, JA)

Application Number: 201597
Filing Date: 1971-11-18
Publication_date: 1976-04-13
Assignee: Bristol-Myers Company (New York, NY)
Primary Class(es): 424/123
Other Classes:
US Patent Ref:

3159540

Dec, 1964

Kawaguchi et al.

424/114.

Other Refs: Other References: The Merck Index, 7th ed., 1960, Merck & Co., Inc., Rahway, N.J., p. 160.