Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1977-08-12
1980-01-22
Thomas, Jr., James O.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 10, 8 86, 8 89R, 8 92, 8 93, 8 94R, A61K 713
Patent
active
041848438
ABSTRACT:
A composition for dyeing human hair, in which a dispersion dye, preferably of the azo or anthraquinone type, is dispersed in an emulsified aqueous mixture comprising a paraffin component and a thickening agent component and adjusted to a pH not higher than 8 by addition of acid. The thickening agent component comprises fatty alcohols such as lauryl alcohol, cetyl alcohol, cetyl-stearyl alcohol or mixtures thereof, fatty acid esters such as isopropyl alcohol and a mixture of fatty acid mono- and diglycerides. The desired viscosity is imparted to the composition by adjusting the proportion of the paraffin component relative to the thickening agent component. An emulsifying agent, such as high-ethoxylated polyglycol ethers and diethanolamine phosphates may be added to create an emulsion of desired viscosity and permanence.
REFERENCES:
patent: 3098013 (1963-07-01), Austin et al.
patent: 3168441 (1965-02-01), Bil et al.
patent: 3206363 (1965-09-01), Lecher et al.
patent: 3369970 (1968-02-01), McLaughlin et al.
patent: 3586475 (1971-06-01), Hewitt
Clarke Vera C.
Danielson Carl Viktor
Munson Eric Y.
Thomas, Jr. James O.
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