06893471 is referenced by 28 patents and cites 35 patents.

The invention concerns a dyeing composition for dyeing keratinous fibers, in particular human keratinous fibers and more particularly hair, comprising a dicationic diazo dye of formula W1—N═N—W2—N═N—W3 as well as the dyeing method using same and the novel compounds of formula (I).

Title
Dyeing composition for keratinous fibers comprising a particular dicationic diazo dye
Application Number
10/480153
Publication Number
6893471 (B2)
Application Date
June 11, 2002
Publication Date
May 17, 2005
Inventor
Laurent Vidal
Paris
FR
Agent
Finnegan Henderson Farabow Garrett & Dunner
Assignee
L Oreal
FR
IPC
A61K 007/13
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