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. 04, 2007
Filed:
Mar. 25, 2004
Patricia Desenne, Bois Colombes, FR;
Jean-marie Millequant, Saint-Maur-des-Fosses, FR;
Patricia Desenne, Bois Colombes, FR;
Jean-Marie Millequant, Saint-Maur-des-Fosses, FR;
L'Oreal S.A., , FR;
Abstract
The present invention relates to a composition for dyeing a keratinous fiber, comprising, a) at least one oxidation base or direct dye or a mixture thereof, b) at least one particular polycarboxylic acid compound or a salt thereof, and c) at least one suitable medium. The invention also relates to a ready-to-use composition comprising the above-mentioned composition and an oxidizing composition including at least one oxidizing agent in a suitable medium for dyeing. The invention also relates to a process for dyeing a keratinous fiber, comprising: mixing the composition according to the invention and optionally an oxidizing composition including at least one oxidizing agent in a suitable medium for dyeing; applying mixed composition to said keratinous fiber shortly after mixing; leaving the mixed composition on the keratinous fiber for sufficient time to obtain a desired coloration; rinsing the keratinous fiber to remove the mixed composition from the keratinous fiber; optionally washing and rinsing the keratinous fiber; and optionally drying the keratinous fiber. Finally, the invention relates to a device for implementing the process.