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Patent Picks—Pseudolipids, Binding Peptides, Active Sponges, Preserving Functionality and More in Skin Care
Posted: October 2, 2013
Patent Picks are compiled by the editors from publicly available sources, and cover recent patents issued, or applied for, in the cosmetic and personal care industries and relevant peripheral markets. This edition features inventions related to skin care and moisturization.
Pseudolipid complex and topical composition
U.S. Patent 8546361
Publication date: Oct. 1, 2013
Assignee: Amorepacific Corp.
Described in this patent is a pseudolipid mixture with improved phase stability and a structure similar to that of the stratum corneum. When employed in a topical composition, it can retain water and other beneficial materials for moisturization and barrier repair capabilities. The mixture is composed of a pseudoceramide, a cholesterol, and a stearic acid.
Oil-in-water emulsion for moisture retention, sustained effects
European Patent Application EP2644188
Publication date: Oct. 2, 2013
Assignee: Shiseido Company Ltd.
The object of this invention is to provide an oil-in-water emulsified skin cosmetic manifesting superior effects in improving spreadability on skin, absorption into the skin, absence of stickiness, emollient sensations, taut sensations, and wrinkles/sagging. It is also reportedly superior in terms of moisture retention, and therefore sustains the emollient sensation. Specifically, the invention comprises acetylated hyaluronic acid, a specific polymethacryloyloxyethyl phosphorylcholine derivative, non-emulsifying cross-linked silicone, glycerin, polyvinyl alcohol, an acrylamide type thickener, and an oil component in the amount of 25% w/w.