Ascorbic acid and proanthocyanidine composition for topical application to human skin
October 14, 2014. 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 ReferencesTreatment of herpes simplex Method of treating keratosis and compositions useful therefor Composition for regenerating the collagen of connective skin tissue and a process for its preparation Mature skin treatment and protectant compositions and methods of using same Compositions and methods for administering vitamin C Process for obtaining proanthocyanidine A2, pharmaceutical compositions and their therapeutic use Skin penetration enhancement using free base and acid addition salt combinations of active agents Therapeutic use of proanthocyanidine A2 as a cytoprotective agent Therapeutic use of proanthocyanidine A2 for treatment of vascular system Agents for the treatment and protection of the skin InventorApplicationNo. 323095 filed on 10/14/1994US Classes:514/474, Ascorbic acid or derivative (e.g., vitamin C, etc.)424/59, TOPICAL SUN OR RADIATION SCREENING, OR TANNING PREPARATIONS424/60, Aromatic acid or derivative containing (e.g., aminobenzoic acid or methyl salicylate, etc.)424/195.18, NATURAL RESIN, GUM, OR BALSAM AS ACTIVE INGREDIENT (E.G., CONIFER RESIN, PINE GUM, ROSIN, NATURAL LATEX, ETC.)514/54, Polysaccharide514/56, Heparin or derivative514/453Polycyclo ring system having the hetero ring as one of the cyclosExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmInternational ClassesA61K 006/00A61K 031/34 A61K 031/355 AbstractA method and composition for topically administering ascorbic acid and proanthocyanidine for application to human skin care. The substance is composed of 10% to 25% ascorbic acid and at least 0.5% to 5% proanthocyanidine in combination with a high ratio water surfactant. Non-irritating thickeners, preservatives and carriers synergize to allow penetration of a serum composition to access the entire dermal membrane. The composition possesses sunscreen properties and superior collagen repair means.Field of SearchTOPICAL SUN OR RADIATION SCREENING, OR TANNING PREPARATIONSAromatic acid or derivative containing (e.g., aminobenzoic acid or methyl salicylate, etc.) Polysaccharide Heparin or derivative Polycyclo ring system having the hetero ring as one of the cyclos Ascorbic acid or derivative (e.g., vitamin C, etc.) | |
