The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2009
Filed:
Apr. 08, 2005
Nicolas Passade Boupat, Pau, FR;
Olivier Guerret, La Tour de Salvagny, FR;
Nathalie Mougin, Paris, FR;
Xavier Schultze, Pontault-Combault, FR;
Franck Hernandez, Villemonble, FR;
Nicolas Passade Boupat, Pau, FR;
Olivier Guerret, La Tour de Salvagny, FR;
Nathalie Mougin, Paris, FR;
Xavier Schultze, Pontault-Combault, FR;
Franck Hernandez, Villemonble, FR;
L'Oreal S.A., Paris, FR;
Abstract
The present invention relates to a linear ethylenic block copolymer comprising in each block at least one ionic hydrophilic unit, which may be different from one block to another, the said ionic hydrophilic unit being present in each block in a proportion of from 2% to 100% by weight relative to the weight of the said block. The invention also relates to a cosmetic or pharmaceutical composition comprising such a copolymer, and also to a cosmetic process for making up or caring for keratin materials using the said composition.