US Patent 7879345 Composition containing an amphiphilic polymer, uses thereof

Patent 7879345 was granted and assigned to L'Oreal Alumni Official Association on February, 2011 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

L'Oreal Alumni Official Association

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7879345

Date of Patent

February 1, 2011

Patent Application Number

10813013

Date Filed

March 31, 2004

Patent Primary Examiner

‌

Jyothsna A. Venkat

Patent abstract

The invention relates to a composition preferably useful for topical application in the form of an oil-in-water emulsion comprising, in a physiologically acceptable medium, an oily phase dispersed in an aqueous phase, containing at least one lipophilic emulsifier and at least one water-soluble or water-dispersible amphiphilic polymer, which may be obtained from 2-acrylamido-2-methylpropanesulphonic acid units and from hydrophobic monomers comprising an oxyalkylene chain.