Transdermal matrix system
June 17, 2007. 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 3567118 Hydrogels and articles made therefrom Method and preparation for administration to the mucosa of the oral or nasal cavity Method and preparation for administration to the mucosa of the oral or nasal cavity Process for producing a multi-layered slow release composite Membrane modified hydrogels 5R,6S,8R-2-(1-Methyl-2-imidazolylmethy lthio)-6-(1-hydroxyethyl)penem-3-carboxylic acid (5R-6S,8R )-6-(1-Hydroxyethyl)-2-(2-glycylaminoethylthio)-penem-3-carboxylic acid Immobilization of biologically active material in a hydrogel on a support Rectal insert InventorsApplicationNo. 07/063204 filed on 06/17/1987US Classes:424/449, Transdermal or percutaneous424/448Pressure sensitive adhesive meansExaminersPrimary: Page, Thurman K.Assistant: Horne, Leon R. Attorney, Agent or FirmInternational ClassesA61K 9/70 (20060101)A61K 47/38 (20060101) A61K 47/32 (20060101) AbstractA composition for the transmembranal, including transdermal, administration of a pharmaceutical preparation comprising cross-linked carboxymethylcellulose, an alcohol soluble poly (2-hydroxyethyl) methacrylate), a permeation enhancer, such as a mixture of linoleic acid and propylene glycol, and a biologically active material, as well as a device for administering the aforementioned composition to mammals, and also a method for administering transdermally to a mammal an effective amount of the aforementioned composition.Other References
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