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US 6,207,438 B1Granted
Method for preparing a product in particular for preventing and curing skin diseases, and resulting product
AssigneeCodif International S.A.
InventorsJean Gedouin, Romuald Vallee
Life of this patent
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Abstract
The invention relates to a process for the preparation of a product and to the product itself to prevent and care for skin disorders. The process includes using a natural sodium alginate extract, and the submission of this extract to at least on depolymerization treatment. The resulting product includes oligo-alginate chains and uronic acids. The product is used to treat cutaneous rashes, allergic reactions to cosmetic compositions, and the cutaneous effects of aging.
Claims15
A process for making a skin care product, said process comprising the steps of:
- (a) providing a solubilized algae extract containing sodium alginate having linked chains of sodium α-L-guluronate and sodium β-D-mannuronate, and
- (b) enzymatically depolymerizing said solubilized extract responsive to an action of an alginate lyase enzyme in order to cut links between chains of said sodium alginate.
Dependencies are inferred from the claim text.