Composition for topical application and method for preparing the same
Patent 4316887 Issued on February 23, 1982. Estimated Expiration Date: 
February 29, 2000. 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.
February 29, 2000. 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 3485915 3592936 3869546 3879317 3920811 Ophthalmic formulation Patent #: 4003991 InventorsAssigneeApplicationNo. 06/125894 filed on 02/29/1980US Classes:514/692, Camphor or nuclear substituted derivatives thereof514/724, C-O-group (e.g., alcohol, alcoholate, etc.) DOAI514/729Alicyclic ring containingExaminersPrimary: Robinson, Douglas W.Attorney, Agent or FirmInternational ClassesA61K 31/125 (20060101)A61K 31/045 (20060101) A61K 31/122 (20060101) A61K 47/32 (20060101) A61K 47/02 (20060101) Foreign Application Priority Data1977-11-07 JPAbstractAn anti-inflammatory, analgesic and anti-pruritic compositions for topical application is made by mixing an aqueous alcoholic solution of methanol or camphor with sufficient water soluble carboxyvinyl polymer to give a viscosity of 2,000 to 20,000 centipoises at 20° C., sufficient basic agent, such as an amine, to neutralize the carboxyl groups to a pH of 6.0-7.5 and a small amount of sodium chloride.Other References
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