Dye composition containing diphenylamine and polyhydroxybenzene

Details Dye composition containing diphenylamine and polyhydroxybenzene Dye composition containing diphenylamine and polyhydroxybenzene

1977-01-18

1979-10-09

Thomas, Jr., James O.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 10, 8 101, 8 11, 8 32, A61K 713

Patent

active

041704525

ABSTRACT:
A dye composition for keratinic fiber and particularly living human hair comprises an admixture of one or more diphenylamines whose corresponding indoamine has an oxidation-reduction potential between -450 and -350 mv and a polyhydroxybenzene having an oxidation-reduction potential between -600 and -300 mv and having the formula ##STR1## wherein R.sub.1 represents hydroxy or ##STR2## wherein R.sub.3 represents hydrogen or alkyl, and R.sub.2 represents hydrogen, or NH.sub.2 when R.sub.1 represents NH.sub.2, said diphenylamine and polyhydroxybenzene being present in an amount such that the ratio of the total number of moles of diphenylamine to the number of moles of polyhydroxybenzene is between 2 and 7.

REFERENCES:
patent: 3214472 (1965-10-01), Charle et al.
patent: 3251742 (1966-05-01), Soloway
patent: 3488138 (1970-01-01), Iscowitz
patent: 3787174 (1974-01-01), Kalopissis et al.
patent: 3792090 (1974-02-01), Kalopissis et al.
patent: 3853464 (1974-12-01), Kalopissis et al.
patent: 3884627 (1975-05-01), Brody et al.
patent: 3905761 (1975-09-01), Kalopissis et al.
patent: 3920384 (1975-11-01), Feinland et al.
patent: 3977826 (1976-08-01), Iscowitz
patent: 4008043 (1977-02-01), Kalopissis et al.

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