Means for administering amphipathic medicament
Patent 4182330 Issued on January 8, 1980. Estimated Expiration Date: 
July 25, 1997. 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 25, 1997. 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 3845770 3926188 Controlled release delivery system by an osmotic bursting mechanism Osmotic system having laminar arrangement for programming delivery of active agent Laminated osmotic system for dispensing beneficial agent Osmotic releasing device having a plurality of release rate patterns Patent #: 4036227 InventorApplicationNo. 05/818292 filed on 07/25/1977US Classes:424/473, With porous, perforated, apertured, or sieved layer (e.g., dialyzing layer, microporous layer, etc.)424/424, Membrane or diffusion barrier424/449, Transdermal or percutaneous424/450LiposomesExaminersPrimary: Michell, Robert W.Assistant: Rosenbaum, C. Fred Attorney, Agent or FirmInternational ClassesA61K 9/00 (20060101)A61K 9/107 (20060101) AbstractMeans for administering an amphipathic medicament by micelle solubilization is disclosed. The micelle consists of a nonionic surfactant medicament adduct. The adduct is coated onto an osmotically effective solute and housed in an osmotic therapeutic system for administering the medicament in a therapeutically effective amount over a prolonged period of time.Other References
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