Composition for regenerating the collagen of connective skin tissue and a process for its preparation
Patent 4668516 Issued on May 26, 1987. Estimated Expiration Date: 
November 28, 2004. 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.
November 28, 2004. 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.InventorsApplicationNo. 06/689050 filed on 11/28/1984US Classes:424/770, Conifer (e.g., needle and cone bearing trees such as pine, spruce, hemlock, fir, cypress, cedar, yew, etc.)514/454, Tricyclo ring system having the hetero ring as one of the cyclos514/474Ascorbic acid or derivative (e.g., vitamin C, etc.)ExaminersPrimary: Brown, Johnnie R.Assistant: Rollins, John W. Attorney, Agent or FirmInternational ClassesA61K 8/67 (20060101)A61K 8/37 (20060101) A61K 8/49 (20060101) A61K 8/96 (20060101) A61K 8/97 (20060101) A61K 8/30 (20060101) A61Q 19/00 (20060101) Foreign Application Priority Data1983-03-30 FRAbstractA composition for regenerating the collagen of the connective tissue of the skin contains an aqueous conifer bark extract buffered to a pH of about 7, water-soluble flavonols and vitamin C. It is particularly useful for treating wrinkles.Other References
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