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AbstractA polymeric diffusion matrix for the sustained release, intravaginal administration of an estrogen is provided. The matrix consists of polyvinylalcohol, polyvinylpyrrolidone and a polar plasticizer.Other References
| InventorsAssigneeApplicationNo. 06/439023 filed on 01/04/1982US Classes:514/177, Oxygen double bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system424/486, Synthetic polymer514/182Oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring systemExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmUS Patent References2127896, 2138751, 2155658, 2160503, 2340866, 2491642, 2693438, 3287222, 4210633, Flurandrenolide film formulationIssued on: 07/01/1980 Inventor: Takruri , et al.4291014, Polymeric diffusion matrix containing estradiol diacetate Issued on: 09/22/1981 Inventor: Keith , et al.4321252Polymeric diffusion matrix containing ester derivatives of estradiol Issued on: 03/23/1982 Inventor: Keith , et al. International ClassesA61K 9/00 (20060101)A61K 31/135 (20060101) A61K 9/70 (20060101) A61K 31/415 (20060101) A61K 31/565 (20060101) |