Colouring compositions containing specific disulfide dyes and colouring method thereof

Colouring compositions containing specific disulfide dyes and colouring method thereof

  • CN 101,999,991 B
  • Filed: 10/13/2005
  • Issued: 08/24/2016
  • Est. Priority Date: 10/14/2004
  • Status: Active Grant
First Claim
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1. the colouring method of human keratin fiber, it is characterised in that a kind of colouring compositions of coating on these fibers, this groupCompound contains at least kind in suitable cosmetic media selected from the disulfide dyes of lower formula (III) dyestuff:

  • ,Their salt,In formula;

    A represents the group containing the cationic chromophore that at least one is quaternary ammonium;

    V '"'"' represents abutment group;

    V '"'"' represents 1;

    X represents a saturated or unsaturated straight or branched C1-C30Hydrocarbon chain, its chain is optionally by one or more bilvalent radicalsGroup or a combination thereof are interrupted and/or are optionally terminated by one or more divalent groups or a combination thereof in its one or both ends, describedDivalent group be selected from;

    --N (R)-,-O-,-CO-, wherein R, identical or different, selected from hydrogen, C1-C4Alkyl;

    Coefficient p is equal to 1;

    ·

    Csat

    C′

    sat, identical or different, represent a straight or branched C1-C18Alkene chain.

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