Antiphlogistic analgesic adhesive
Patent 4390520 Issued on June 28, 1983. Estimated Expiration Date: 
March 30, 2001. 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.
March 30, 2001. 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 3632740 3731683 InventorsAssigneeApplicationNo. 06/248912 filed on 03/30/1981US Classes:424/449, Transdermal or percutaneous424/448, Pressure sensitive adhesive means424/487, Acrylic acid and derivatives514/420Indomethacine per se or ester thereofExaminersPrimary: Friedman, Stanley J.Attorney, Agent or FirmInternational ClassesA61L 15/58 (20060101)A61K 9/70 (20060101) A61L 15/16 (20060101) Foreign Application Priority Data1980-10-30 JPAbstractAn antiphlogistic analgesic adhesive which comprisesa flexible substrate andan indomethacin containing pressure-sensitive adhesive layer closely contacting said flexible substrate, wherein said pressure-sensitive adhesive layer comprises a mixture of(a) indomethacin,(b) a copolymer of (i) an alkyl acrylate having 4 to 11 carbon atoms in the alkyl moiety and (ii) a functional monomer having a functional group in the molecule thereof and/or a vinyl monomer, which has pressure-sensitive adhesive properties at room temperature, and(c) an absorption accelerating assistant which maintains said indomethacin in a solubilized state in said copolymer and has skin diffusibility. | |
