Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Leila Hercouet0
Henri Samain0
Date of Patent
February 6, 2007
Patent Application Number
10980899
Date Filed
June 16, 2004
Patent Primary Examiner
Patent abstract
The present invention relates to a lightening dye composition comprising, in a suitable dyeing medium, an oxidizing agent, an alkaline agent in an amount such that the pH of the composition is greater than 7, and a mixed cationic dye comprising several chromophores linked together via a linker, at least two of the chromophores being different, the chromophores having an absorbance of between 400 and 800 nm. The invention makes it possible to obtain particularly fast colorations.
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