Liquid diclofenac preparations
Patent 4711906 Issued on December 8, 1987. Estimated Expiration Date: 
December 20, 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.
December 20, 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 3220923 3652762 Skin preparation Gel-like ointment containing indometacin Method of reducing skin irritation from benzoyl peroxide Depot antiinflammatory agents Patent #: 4594357 InventorsAssigneeApplicationNo. 06/811424 filed on 12/20/1985US Classes:514/561, Nitrogen other than as nitro or nitroso nonionically bonded514/538, Nitrogen bonded to carbon in Z moiety514/886, INFLAMMATION, SKIN514/887Topical TreatmentExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmInternational ClassesA61K 47/10 (20060101)A61K 31/185 (20060101) A61K 31/195 (20060101) Foreign Application Priority Data1984-12-21 DEAbstractDisclosed are aqueous, stable, relatively concentrated solutions of diclofenac, which contain a mixture of propylene glycol and polyethylene glycol in defined quantitative proportions. The solutions preferably contain a local anesthetic such as lidocaine and a reducing agent as stabilizer.Other References
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