Silicone salicylate esters
December 18, 2018. 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 ReferencesUse of diorganopolysiloxanes containing a 3-benzylidene camphor functional group in cosmetics and new cosmetic compositions containing these compounds, intended for protecting the skin and hair Cosmetic composition and methods containing diorganopoly-siloxanes containing a 2-hydroxybenzohenone group Silicone alkoxylated esters carboxylates Photoprotective/cosmetic compositions comprising benzotriazole-substituted polyorganosiloxanes/polyorganosilanes Self-tanning cosmetic compositions Silicone salicylate esters Silicone-containing derivatives of salicylic acid which have desquamating properties Silicone-containing derivatives of salicylic acid which have desquamating properties Alkoxylated silicone salicylate esters Patent #: 5908949 InventorAssigneeApplicationNo. 215806 filed on 12/18/1998US Classes:424/60, Aromatic acid or derivative containing (e.g., aminobenzoic acid or methyl salicylate, etc.)424/70.9, UV protectant556/437The carbonyl is part of a -COO- groupExaminersPrimary: Shaver, Paul F.International ClassA61K 007/00AbstractThe invention discloses novel salicylate esters made by reacting (a) a carboxy silicone, and (b) the hydroxyl group of salicylic acid. The compounds of the invention by virtue of (i) the silicone group, (ii) the salicylate group group and (iii) the polyoxyalkylene present in the compound are extremely efficient skin care compounds used in topical treatment of skin. |
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