EP0951900A2
Expired / Lapsed
EP
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Hair dyeing compositions containing 2-chloro- and 2,6-dichloro-4-aminophenol & phenylpyrazolones
Assignee: P&G Hair Care Holding Inc
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Filing: 1999-03-02
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Granted: —
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Expires: 2019-03-02
Abstract
Abstract The invention provides compositions and methods for the oxidative coloring of human hair. The compositions of the invention contain as a primary intermediate at least one aminophenol of the formulas: or a cosmetically acceptable salt thereof, and at least one pyrazolone coupler of the formulas:
Inventors
- 👤 Mu-Ill Lim
- 👤 Yuh-Guo Pan
- 👤 Linas R. Stasaitis
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 11:45
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/415; A61K8/49; A61K8/494
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
79 words
In a composition for the oxidative coloring of hair, said composition
containing a primary intermediate and a coupler in a cosmetically acceptable
vehicle, wherein said primary intermediate and said coupler form an oxidative hair
dye in the presence of an oxidizing agent, the improvement wherein said primary
intermediate is at least one aminophenol of the formulas: or a cosmetically acceptable salt thereof, and said coupler is at least one
pyrazolone of the formulas: or a cosmetically acceptable salt thereof.
Claim 2
Dependent Claim
25 words
The composition according to claim 1, wherein the primary
intermediate is the aminophenol of formula (1) and the coupler is the pyrazolone
of formula (3).
Claim 3
Dependent Claim
25 words
The composition according to claim 1, wherein the primary
intermediates is the aminophenol of formula (1) and the coupler is the purazolone
of formula (4).
Claim 4
Dependent Claim
25 words
The composition according to claim 1, wherein the primary
intermediate is the aminophenol of formula (1) and the coupler is the pyrazolone
of formula (5).
Claim 5
Dependent Claim
25 words
The composition according to claim 1, wherein the primary
intermediate is the aminophenol of formula (2) and the coupler is the pyrazolone
of formula (4).
Claim 6
Dependent Claim
25 words
The composition according to claim 1, wherein the primary
intermediate is the aminophenol of formula (2) and the coupler is the pyrazolone
of formula (3).
Claim 7
Dependent Claim
25 words
The composition according to claim 1, wherein the primary
intermediate is the aminophenol of formula (2) and the coupler is the pyrazolone
of formula (5).
Claim 8
Dependent Claim
19 words
The composition according to claim 1, comprising a mixture of 4-aminophenol,
2,6-dichloro-4-aminophenol, 5-amino-2-methylphenol and the
pyrazolone of formula (3).
Claim 9
Dependent Claim
28 words
The composition according to claim 1, wherein said primary
intermediate is present at about 0.1% to about 5%, by weight, based on the total
weight of the composition.
Claim 10
Dependent Claim
30 words
The composition according to claim 1, wherein the coupler is
present in an amount of about 0.1% to about 5%, by weight, based on the total
weight of the composition.
Claim 11
Dependent Claim
66 words
The composition according to claim 1, further including one or
more additional dye components selected from the group consisting of p-phenylenediamine
and cosmetically acceptable derivatives thereof; p-aminophenols
and cosmetically acceptable derivatives thereof; ortho developers and cosmetically
acceptable derivatives thereof; phenols and cosmetically acceptable derivatives
thereof; resorcinols and cosmetically acceptable derivatives thereof; m-phenylenediamines
and cosmetically acceptable derivatives thereof; m-aminophenols
and cosmetically acceptable derivatives thereof; and heterocyclic
derivatives.
Claim 12
Dependent Claim
18 words
The composition according to claim 1, further including an
oxidizing agent, whereby said oxidative hair dye is produced.
Claim 13
Dependent Claim
13 words
The composition according to claim 1, wherein said oxidizing agent
is hydrogen peroxide.
Claim 14
Dependent Claim
44 words
A method for the oxidative coloring of human hair comprising
contacting the hair with a hair coloring effective amount of the composition
according to claim 1 in the presence of an oxidizing agent and maintaining contact
with the hair until the hair is colored.
Claim 15
Dependent Claim
48 words
An oxidative hair dye product produced by reacting, in a
cosmetically acceptable vehicle and in the presence of an oxidizing agent at least
one aminophenol of the formulas: or a cosmetically acceptable salt thereof, and at least one pyrazolone of the
formulas: or a cosmetically acceptable salt thereof.
Claim 16
Dependent Claim
19 words
The hair dye product according to claim 15, wherein the primary
intermediate (1) and the coupler comprises compound (3).
Claim 17
Dependent Claim
27 words
The hair dye product according to claim 15, wherein the primary
intermediate is the aminophenol of formula (1) and the coupler is the pyrazolone
of formula (4).
Claim 18
Dependent Claim
27 words
The hair dye product according to claim 15, wherein the primary
intermediate is the aminophenol of formula (1) and the coupler is the pyrazolone
of formula (5).
Claim 19
Dependent Claim
27 words
The hair dye product according to claim 15, wherein the primary
intermediate is the aminophenol of formula (2) and the coupler is the pyrazolone
of formula (4).
Claim 20
Dependent Claim
27 words
The hair dye product according to claim 15, wherein the primary
intermediate is the aminophenol of formula (2) and the coupler is the pyrazolone
of formula (3).
Claim 21
Dependent Claim
27 words
The hair dye product according to claim 15, wherein the primary
intermediate is the aminophenol of formula (2) and the coupler is the pyrazolone
of formula (5).
Claim 22
Dependent Claim
25 words
The hair dye product according to claim 15, comprising a mixture
of 4-aminophenol, the aminophenol of formula (1), 5-amino-2-methylphenol and
the pyrazolone of formula (3).
Claim 23
Dependent Claim
39 words
The hair dye products according to claim 15, further including at
least one adjuvant selected from the group consisting of wetting agents,
emulsifying agents, thickeners, organic solvents, antioxidants, chelating agents,
opacifying agents, humectants, hair conditioning agents, preservatives and
perfumes.
References Cited (Backward Citations)
No citation records indexed.
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