Polymorphs of crystalline mupirocin
Patent 5594026 Issued on January 14, 1997. Estimated Expiration Date: 
April 18, 2015. 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.
April 18, 2015. 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.Patent ReferencesIsolation of organic acids Patent #: 4222942 InventorsAssigneeApplicationNo. 424684 filed on 04/18/1995US Classes:514/460, Chalcogen bonded directly to ring carbon of the hetero ring549/414Plural hetero ringsExaminersPrimary: Chan, NickyAttorney, Agent or FirmForeign Patent References
International ClassesC07D 407/06A61K 031/35 Foreign Application Priority Data1990-12-11 GBAbstractTwo further crystalline polymorphic forms of the anti-infective agent mupirocin have been identified. Processes for the preparation thereof and the use thereof are described. |
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