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.:

US 7744655 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 29, 2010

Filed:

Mar. 14, 2006
Applicants:

Maxime DE Boni, Paris, FR;

Bruno Laguitton, Kremlin Bicetre, FR;

Inventors:

Maxime De Boni, Paris, FR;

Bruno Laguitton, Kremlin Bicetre, FR;

Assignee:

L'Oreal S.A., Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a process for dyeing keratin fibres, which comprises the application to the fibres of a composition containing at least one cationic polymer, rinsing of the keratin fibres, the application of a composition containing at least one anionic colored polymer, and rinsing of the keratin fibres. Such a process makes it possible to obtain an improvement in the coloration of the keratin fibres.


Find Patent Forward Citations

De Boni, Maxime. (2010). Process for dyeing the hair using an anionic coloured polymer (U.S. Patent No. 7744655). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7744655

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