Intravaginal drug delivery device
Patent 5788980 Issued on August 4, 1998. Estimated Expiration Date: 
October 24, 2016. 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.
October 24, 2016. 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 3545439 Vaginal ring Vaginal drug delivery system made from polymer Intravaginal ring Two-member medicated device for rate-controlled administration of lipophilic pharmaceuticals Pharmaceutical composition and its nasal or vaginal use Vaginal ring Patent #: 4822616 InventorAssigneeApplicationNo. 740095 filed on 10/24/1996US Classes:424/430, Vaginal, urethral, uterine424/432, IUD or ring424/433, Depot, pellet, matrix, or suppository424/486Synthetic polymerExaminersPrimary: Brouillette, GabrielleAttorney, Agent or FirmInternational ClassA61F 006/06Foreign Application Priority Data1995-11-01 GBAbstractAn intravaginal drug delivery device for prolonged release of an active ingredient comprising a biocompatible polymer matrix containing an active ingredient to be released and an effective amount of at least one fatty acid ester and a method of inducing contraception in female warm-blooded animals, including humans. | |
