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:
Aug. 13, 2002
Filed:
Jun. 23, 2000
Jean Maignan, Tremblay en France, FR;
Sylvie Genard, Paris, FR;
L'Oreal, Paris, FR;
Abstract
The invention concerns the use of hyperbranched polymers and dendrimers, comprising at least one group of formula (I) in which: Y represents the oxygen atom or a NH group: and A represents a C -C alkane di-yl group, linear, branched or cyclic, saturated or unsaturated; said group being optionally interrupted by one or several heteroatoms and/or substituted by a function selected among: amino (—NH ): acylamino (—NH—CO—R) in which R represents a C -C alkyl group, linear, branched or cyclic, saturated or unsaturated; carboxylic acid (—COOH), ester (—COOR) in which R represents a C -C alkyl group, linear, branched or cyclic, saturated or unsaturated, as film-forming agent. The invention also concerns a film-forming composition comprising said compound and its use particularly in cosmetics or pharmaceutics.