Skincare agents

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United States of America Patent

APP PUB NO 20030044469A1
SERIAL NO

10220109

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Skin care compositions containing microcapsules with a mean diameter of from 0.1 to 5 mm are disclosed. The microcapsules are prepared by a process comprising: (a) providing an o/w emulsion prepared by combining an aqueous preparation of a component selected from the group consisting of retinol and retinolic acid with an oil component in the presence of an emulsifier; (b) combining the emulsion and an aqueous solution of an anionic polymer to form a matrix; (c) contacting the matrix with an aqueous chitosan solution such that membrane-encapsulated products are formed in an aqueous phase; and (d) separating the products from the aqueous phase.

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Patent Owner(s)

Patent OwnerAddress
COGNIS IBERIA S L08755 CASTELLBISBAL (BARCELONA)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Moragas Maria Argentona, ES 6 42
Viladot, Petit Josep-Lluis Barcelona, ES 9 181

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