Method of dyeing human hair with reactive dyes

Details Method of dyeing human hair with reactive dyes Method of dyeing human hair with reactive dyes

1972-09-29

1978-07-25

Meyers, Albert T.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 10, 8 85R, 8 85A, 8 88, A61K 713

Patent

active

041026411

ABSTRACT:
A process for permanently dyeing keratinous fibers with halotriazinyl reactive dyes wherein good leveling and uptake is attained. More particularly, a process for dyeing human hair comprising subjecting the fibers to sequential treatment of first applying to the fibers a halotriazinyl reactive dye at a pH of from about 4 to 6.5 and then allowing the dye to bond with the fibers at a pH of about 8 to 8.5.

REFERENCES:
patent: 3396736 (1968-08-01), Shansky
patent: 3415606 (1968-12-01), Randerbrock
patent: 3679347 (1972-07-01), Brown

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