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, 2013
Filed:
Jun. 24, 2011
Sawa Hashimoto, Garwood, NJ (US);
Nghi Van Nguyen, Edison, NJ (US);
Siliu Tan, Westfield, NJ (US);
Frederic Cervantes, Westfield, NJ (US);
Sawa Hashimoto, Garwood, NJ (US);
Nghi Van Nguyen, Edison, NJ (US);
Siliu Tan, Westfield, NJ (US);
Frederic Cervantes, Westfield, NJ (US);
L'Oreal, Paris, FR;
Abstract
The present invention is drawn to a composition and method for dyeing keratinous substrates containing: (a) at least one polyamine compound having at least three amino groups; (b) at least one nonionic surfactant; (c) at least one phosphate ester chosen from alkoxylated alkyl phosphate esters and alkyl phosphate esters; (d) at least one dye chosen from oxidation dye precursors and direct dyes. The compositions of the present invention may optionally contain at least one thickening agent, at least one alkaline agent, at least one fatty substance, at least one salt, and at least one oxidizing agent.