Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2008-03-26
2011-10-04
Elhilo, Eisa (Department: 1761)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S407000, C008S409000, C008S410000, C008S411000, C008S421000, C008S426000, C008S455000, C008S466000, C008S516000, C008S552000, C008S632000
Reexamination Certificate
active
08029576
ABSTRACT:
This invention relates to a hair dyeing composition comprising at least one anionic and at least one cationic direct acting hair dyes and showing excellent dyeing ability and excellent resistance to hair washing and environmental influences. The coloring composition of this invention are ready to use coloring composition and, therefore, do not require any mixing prior to application with additional agents such as oxidizers. According to the invention the preferred cationic dyestuffs are selected from the following structureswherein R1, R2, R3and R4stand for hydrogen, a CH3— or C2H5— group, and Y is an anion such as chloride, bromide, methosulfate.
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English Language Abstract for EP1166752, (Feb. 2002).
English Language Abstract for FR 2845283, (Sep. 2004).
Kufner Frank
Noecker Bernd
Wilz Ruediger
Wood Jonathan
Elhilo Eisa
KPSS-KAO Professional Salon Services GmbH
Norris McLaughlin & Marcus P.A.
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