Stabilization of 16-oxygenated prostanoic acid derivatives
Patent 4301146 Issued on November 17, 1981. Estimated Expiration Date: 
July 29, 2000. 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.
July 29, 2000. 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 References 3826823 16-Oxygenated prostanoic acid derivatives Prostaglandin-containing lyophilized powders Process for preparation of stable amorphous macrolide antibiotic solids Patent #: 4127647 InventorAssigneeApplicationNo. 06/173292 filed on 07/29/1980US Classes:514/530Z contains a cyclopentyl or cyclopentene ringExaminersPrimary: Rosen, SamAttorney, Agent or FirmInternational ClassesA61K 9/14 (20060101)A61K 31/557 (20060101) AbstractA stable solid dosage form of the compound &#b1;methyl(7-[3()-hydroxy-2-ଲ-(4(RS)-4-hydroxy-4-methyl-trans- 1-octen-1-yl)-oxycyclopent-1-yl]heptanoate, said solid dosage form comprising from about 50 to about 500 parts of a polymer selected from the group consisting of hydroxypropylmethyl cellulose and polyvinylpyrolidone per part of said compound. | |
