Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1976-09-20
1979-05-01
Helfin, Bernard
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 11, 8 32, 260553A, 260556A, 260558A, 2605707, 260575, A61K 713
Patent
active
041521129
ABSTRACT:
Dye compositions, especially for human hair containing the new chemical compounds of the general formula ##STR1## in which formula the radical Z is selected in the group formed by the hydroxyalkyl, alkoxyalkyl, acylaminoalkyl, carbalkoxyaminoalkyl, mesylaminoalkyl, ureidoalkyl, aminoalkyl, monoalkylaminoalkyl, dialkyl-aminoalkyl radicals, and the salts of the corresponding acids. Among the preferred acid salts, the sulfates, hydrochlorides, phosphates and tartrates may be mentioned.
This dye is particularly suited for use with a coupler of the formula ##STR2## in which formula R.sub.3 and R.sub.4 are identical or different and may represent a hydrogen atom, alkoxy radical, or an alkyl radical and in which R.sub.5 is a radical selected in the group formed by the acyl, carbalkoxy and ureido radicals.
REFERENCES:
patent: 2592364 (1952-04-01), Weissberger et al.
patent: 3037057 (1962-05-01), Tinsley et al.
patent: 3642769 (1972-02-01), Maritz et al.
patent: 3697215 (1972-10-01), Kalopissis et al.
patent: 3711546 (1973-01-01), Simon
patent: 3820948 (1974-06-01), Berth
patent: 3933886 (1976-01-01), Saygin
Chemical Abstracts, vol. 44, columns 9070-9071 (1950).
Bugaut Andree
Dossou Koovi G.
Genet Alain R.
"L'Oreal"
Clarke Vera C.
Helfin Bernard
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