Rapamycin and process of preparation
Patent 3993749 Issued on November 23, 1976. Estimated Expiration Date: 
November 23, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 23, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.InventorsAssigneeApplicationNo. 616695 filed on 09/25/1975US Classes:424/122Over 62% carbonExaminersPrimary: Goldberg, Jerome D.International ClassC12P 17/18 (20060101)AbstractAntibiotic rapamycin is producible by culturing Streptomyces hygroscopicus NRRL 5491 in an aqueous nutrient medium. Rapamycin has antifungal properties. Methods for its preparation and use are disclosed.Other References
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