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US Patent 4670254 - Gel preparations for topical application of diclofenac sodium
US Patent Issued on June 2, 1987
Estimated Patent Expiration Date:
September 24, 2005Estimated 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.
Estimated Patent Expiration Date:
September 24, 2005Estimated 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.AbstractAnti-inflammatory, stable and painless topical gel preparations comprising diclofenac sodium as the active ingredient; water, ethanol and a glycol as the solvent medium; a carboxyvinyl polymer obtained by the polymerization of acrylic acid as a gelling agent; and a weakly basic aliphatic amine as a neutralizing agent for the carboxyvinyl polymer. | InventorAssigneeApplicationNo. 06/779519 filed on 09/24/1985US Classes:514/162, With organic nitrogen containing compound424/78.05, Anti-inflammatory or anti-irritant (e.g., anti-arthritic, etc.)514/567Benzene ring nonionically bondedExaminersPrimary: Friedman, Stanley J.Attorney, Agent or FirmUS Patent References3749773, 4309414, Antiinflammatory analgesic gelled ointmentIssued on: 01/05/1982 Inventor: Inagi , et al.4407824Pharmaceutical preparations for topical application which contain salts of alkanecarboxylic acids, novel carboxylic acid salts and the production thereof Issued on: 10/04/1983 Inventor: Eckert International ClassesA61K 47/00 (20060101)A61K 31/19 (20060101) A61K 31/185 (20060101) |
