Title:
ANIONIC DIRECT DYE HAVING A TETRAALKYLAMMONIUM COUNTERION, DYEING COMPOSITION COMPRISING THEM AND METHOD FOR DYEING KERATINOUS FIBRES STARTING FROM THESE DYES
Document Type and Number:
WIPO Patent Application WO/2012/066028
Kind Code:
A3
Abstract:
The invention relates to the dyeing of human keratinous fibres, in particular the hair, using anionic direct dyes or acid dyes having a tetraalkylammonium counterion of formula (I), with Col(-)m, R1, R2, R3, R4, m, and n as defined in the description. A subject-matter of the invention is a dyeing composition comprising an anionic dye of formula (I) and a method for dyeing keratinous fibres, such as the hair, employing the said composition. A subject-matter of the invention is likewise novel dyes of formula (I) and their uses for the colouring of keratinous fibres. This composition makes it possible to obtain a chromatic, powerful and particularly persistent colouring on keratinous fibres.
Inventors:
GREAVES ANDREW (FR)
Application Number:
PCT/EP2011/070234
Publication Date:
July 26, 2012
Filing Date:
November 16, 2011
Export Citation:
Assignee:
OREAL (FR)
GREAVES ANDREW (FR)
GREAVES ANDREW (FR)
International Classes:
A61K8/41; A61K8/40; A61Q5/10; C09B69/02; C09B69/04
Domestic Patent References:
| WO2000038631A1 | 2000-07-06 | |||
| WO2007071685A1 | 2007-06-28 |
Foreign References:
| EP0553705A1 | 1993-08-04 | |||
| US20090255986A1 | 2009-10-15 | |||
| DE3434920A1 | 1986-05-07 | |||
| US20060053571A1 | 2006-03-16 | |||
| US20080184497A1 | 2008-08-07 | |||
| FR2741798A1 | 1997-06-06 |
Attorney, Agent or Firm:
WATTREMEZ, Catherine (D.I.P.I. 25-29 Quai Aulagnier, Asnieres-sur-seine Cedex, FR)
Download PDF: