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:
Nov. 17, 2009
Filed:
May. 30, 2003
Claude Dubief, Le Chesnay, FR;
Franck Giroud, Clichy, FR;
Claude Dubief, Le Chesnay, FR;
Franck Giroud, Clichy, FR;
L'Oreal, Paris, FR;
Abstract
The invention relates to the use of a water-soluble or water-dispersible linear block copolymer comprising at least one hydrophulic block and at least one hydrophobic block, the hydrophilic block representing at least 30% by weight of the linear block copolymer, with the exclusion of block copolymers of ethylene oxide and propylene oxide, block copolymers containing urethane units and block copolymers containing siloxane units, to thicken or gel aqueous hair treatment compositions containing at least one polymer that is beneficial for the hair, and also to aqueous hair compositions thickened or gelled with such a block copolymer.