Composition for transdermal drug delivery
Patent 4778786 Issued on October 18, 1988. Estimated Expiration Date: 
November 10, 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.
November 10, 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 Re31454 3343540 3475363 3612053 3640741 Dosage form 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 Ostomy adhesive Monitoring and stimulation electrode InventorsAssigneeApplicationNo. 07/119156 filed on 11/10/1987US Classes:514/54, Polysaccharide106/205.71, The oxygen is part of a -C(=O)O- group424/449, Transdermal or percutaneous514/159, Ortho-hydroxybenzoic acid (i.e., salicyclic acid) or derivative DOAI514/164, With organic oxygen containing compound514/61, Tri- or tetrasaccharide514/944, GEL514/947, Topical application514/965Discrete particles in supporting matrixExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmInternational ClassesA61K 9/70 (20060101)A61K 47/00 (20060101) AbstractAs a composition for transdermal drug delivery, the gelation reaction product of a mixture of an organic polysaccharide gum, polyethylene glycol, and m-, p- or o-hydroxybenzoic acid in an amount effective in forming from such mixture a gel having adhesive properties for adhesion to skin and being sufficiently pliant to conform to the shape of body contours.Other References
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