Gel preparations for topical application of diclofenac sodium
Patent 4670254 Issued on June 2, 1987. Estimated Expiration Date: 
September 24, 2005. 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.
September 24, 2005. 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 3749773 Antiinflammatory analgesic gelled ointment Pharmaceutical preparations for topical application which contain salts of alkanecarboxylic acids, novel carboxylic acid salts and the production thereof Patent #: 4407824 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 FirmInternational ClassesA61K 47/00 (20060101)A61K 31/19 (20060101) A61K 31/185 (20060101) 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. | |
