Process for dyeing human hair with diazo salts and coupling comp

Details Process for dyeing human hair with diazo salts and coupling comp Process for dyeing human hair with diazo salts and coupling comp

1978-02-24

1979-09-25

Thomas, Jr., James O.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 10, 8 13, 8 47, A61K 713

Patent

active

041689526

ABSTRACT:
Described is a process for dyeing keratin-containing material, namely human hair, with developing dyes by applying, successively in any desired sequence or simultaneously, to the keratin-containing material to be dyed, diazo salts and coupling components, and coupling these together, which process is characterized in that thereis used as coupling component an acetoacetic acid arylamide of the formula (1), (2) or (3) ##STR1## wherein X, Y and Z independently of one another each represent hydrogen, a straight-chain or branched-chain alkyl or alkoxy group having 1-4 C atoms, or a halogen atom.

REFERENCES:
patent: B190679 (1975-01-01), Buehler et al.
patent: 1908571 (1933-05-01), Straub et al.
patent: 2913301 (1959-11-01), Streck
patent: 3582253 (1971-06-01), Berth et al.
patent: 3907494 (1975-09-01), Saygin

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