Method for treating and preventing sunburn and sunburn damage to the skin
March 1, 2013. 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 2377188 Nontoxic, germicide, and healing compositions Cosmetic stick Emulsion cosmetic stably containing vitamin C Compositions for topical use having melanin synthesis-inhibiting activity Method of and composition for the prevention of solar radiation exposure-induced formation of carcinogenic skin lipid degradation products Cosmetic preparation incorporating stabilized ascorbic acid Process for enhancing wound healing Patent #: 5021452 InventorApplicationNo. 024890 filed on 03/01/1993US Classes:424/59, TOPICAL SUN OR RADIATION SCREENING, OR TANNING PREPARATIONS514/474, Ascorbic acid or derivative (e.g., vitamin C, etc.)514/887, Topical Treatment514/938Oil-water typeExaminersPrimary: Ore, Dale R.Attorney, Agent or FirmForeign Patent References
International ClassesA61K 007/40A61K 007/42 A61K 007/48 AbstractA method for the therapeutic treatment of skin disorders of the type directly or indirectly caused by collagen deficiency, and/or oxygen-containing free radicals and/or by oxidative generation of biologically active metabolites, in which a fat-soluble fatty acid ester of ascorbic acid is topically applied to the affected skin areas, preferably in association with a dermatologically acceptable carrier.Other References
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