Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2006-07-18
2006-07-18
Elhilo, Eisa (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S407000, C008S412000, C008S424000, C008S435000, C008S594000, C008S596000, C008S600000, C008S601000, C008S628000, C008S629000, C132S202000, C132S208000, C424S070100
Reexamination Certificate
active
07077871
ABSTRACT:
Described is a method of reducing transcutaneous passage of an orthodiphenol oxidation dye by adding a catalytic system of Mn(II) or Zn(II) salt or oxide and at least one alkaline or alkaline earth hydrogenocarbonate to the orthodiphenol oxidation dye composition.
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Database WPI; Selection Ch, Week 197901; Derwent Publications Ltd., London, GB; XP002230065 & JP 53 133641; Nov. 21, 1978.
Dreher Frank
Pruche Francis
"L'Oreal"
Elhilo Eisa
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