Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1974-09-13
1976-05-18
Drezin, Norman A.
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
039574245
ABSTRACT:
An enzyme-based oxidative process for coloring hair wherein the hair is exposed to a solution having a pH of about 4 to about 10 and containing hydrogen peroxide, soybean peroxidase enzyme and one or more oxidation dye precursors.
REFERENCES:
patent: 2539202 (1951-01-01), Peck
patent: 3200040 (1965-08-01), Lange
patent: 3210252 (1965-10-01), Blanke et al.
patent: 3251742 (1966-05-01), Soloway
Sullivan John Francis
Zeffren Eugene
Clarke Vera C.
Drezin Norman A.
O'Flaherty Thomas H.
The Procter & Gamble & Company
Wilson Charles R.
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