Formulation for controlled release of drugs by combining hydrophilic and hydrophobic agents
Patent 5869079 Issued on February 9, 1999. Estimated Expiration Date: 
February 9, 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.
February 9, 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 ReferencesOcular preparation housing steroid in two different therapeutic forms Biodegradable ocular implants Process for polymerizing poly(lactic acid) Biodegradable ocular implants Composition for effecting bone repair Formulations for delivery of osteogenic proteins Patent #: 5385887 InventorsAssigneeApplicationNo. 459134 filed on 06/02/1995US Classes:424/426, Errodable, resorbable, or dissolving424/423, Surgical implant or material514/953SHAPED FORMS ADAPTED FOR NONINGESTIBLE USE OTHER THAN SUPPOSITORY TYPE (E.G., FILMS, INSERTS, ETC.)ExaminersPrimary: Webman, Edward J.Attorney, Agent or FirmInternational ClassesA61K 047/34A61K 047/36 A61K 009/10 AbstractCombinations of hydrophilic and hydrophobic entities in a biodegradable sustained release implant are shown to modulate each other's rate of release. Formulations of a therapeutically active agent and modulator provide controlled, sustained drug release for an extended period of time.Other References
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