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Hair dye composition and process for using the same

  • US 4,746,322 A
  • Filed: 05/11/1987
  • Issued: 05/24/1988
  • Est. Priority Date: 04/09/1984
  • Status: Expired due to Fees
First Claim
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1. An aqueous dye composition for dyeing hair which does not dye the skin comprising:

  • (1) at least one water soluble dye precursor of the formula ##STR3## wherein R1, R2 can be the same or different and are;

    H, alkyl or 1-4C, NH2, OH, COOR'"'"' wherein R'"'"' is alkyl of 1-4C or H, CONH2, halogen, OR" wherein R" is alkyl of 1-4C, CH2 OH, CH2 NH2, CONR'"'"'R" wherein R'"'"' and R" can be the same or different;

    R3 is H or alkyl of 1-4C or COR";

    R4, R5 can be the same or different and are;

    H, alkyl of 1-4C, NH2, OH, COOH, CONH2, halogen, OR", NO2, SO3, HNR", or NR"R";

    (2) an alkali metal or alkaline earth metal salt of iodate or periodate;

    (3) at least one organic dye dispersing agent that is compatible with the dye precursor used and will not react with the iodate or periodate oxidant; and

    (4) water.

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