Toilet – Methods – Hair treatment by application of specific chemical composition
Reexamination Certificate
2007-09-25
2007-09-25
Elhilo, Eisa (Department: 1751)
Toilet
Methods
Hair treatment by application of specific chemical composition
C132S208000, C132S210000, C008S405000, C008S406000, C008S410000, C008S421000, C008S459000, C008S587000
Reexamination Certificate
active
10989921
ABSTRACT:
The method for simultaneously dyeing and permanent shaping of hair includes winding hair strands onto curlers; mixing a dye component (B) containing 1 to 10 percent by weight of one or more dye compound and an amount of a keratin-reducing substance with a shaping component (A) containing from 6 to 15% by weight of the keratin-reducing substance in a weight ratio of from about 1:1 to 1:10 to form a dyeing and shaping composition, which necessarily contains from 5 to 18% by weight of the keratin-reducing substance; then allowing the hair with the dyeing and shaping composition to act on the hair for an acting time sufficient for permanent shaping; after that, allowing a fixing composition to act on the hair for 1 to 40 minutes and then subsequently rinsing the hair. The dye component (B) contains 4,5-diaminopyrazole derivatives and certain aminophenol derivatives.
REFERENCES:
patent: 4566875 (1986-01-01), Grollier et al.
patent: 6945254 (2005-09-01), Schonert et al.
Lenz Uwe
Schmidt-Hoerr Anette
Schonert Dieter
Elhilo Eisa
Striker Michael J.
Wella AG
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