US3578386A - Dyeing human hair with benzothiazole azo compounds - Google Patents

Dyeing human hair with benzothiazole azo compounds Download PDF

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US3578386A
US3578386A US705925A US3578386DA US3578386A US 3578386 A US3578386 A US 3578386A US 705925 A US705925 A US 705925A US 3578386D A US3578386D A US 3578386DA US 3578386 A US3578386 A US 3578386A
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hair
dyeing
lower alkyl
human hair
composition
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Gregoire Kalopissis
Andree Bugaut
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LOreal SA
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/0003—Monoazo dyes prepared by diazotising and coupling from diazotized anilines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C09B29/3691—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing nitrogen and sulfur as heteroatom

Definitions

  • R, R and R may be lower alkyl radicals, but in some of the formulae they may be H or acyl radicals instead, as set forth in detail in the specification.
  • R and R are combined with an adjacent N- to form a heterocyclic radical falling within the group consisting of morpholino, piperidino and pyrrolidino radicals.
  • the object of the present invention is to provide a new dyeing composition for keratinic fibers and more particularly for human hair, essentially characterized by the fact that it contains in solution at least one compound taken from the group consisting of:
  • R, R and n have the significances indicated above, and R represents a lower alkyl radical having from 1 to 4 carbon atoms or an acyl radical but cannot be a lower alkyl radical when R represents a hydrogen atom; R and R may be included with the nitrogen in heterocyclic ring falling within the group consisting of morpholino, piperidino and pyrrolidino radicals, R represents a lower alkyl radical and X a halogen atom or a SO,CH radical, it being undestood that in the latter case R may represent only a methyl group:
  • the dyeing compositions according to the invention may be used in a relatively wide pH range, but that the pH of these compositions should preferably be between 5 and 8.
  • the length of time that the dyeing compositions according to the invention should be in contact with the hair may vary greatly, but should preferably fall between 5 and 30 minutes.
  • the application temperature of these dyeing compositions may also vary, but in most cases, they should preferably be used at room temperature.
  • concentrations of dyes responding to Formulas I, II and III may vary significantly in the dyeing compositions according to the invention, but this concentration is preferably between 0.01% and 3%.
  • the dyes according to the invention may be mixed with each other or with other dyes normally used in dyeing hair, such as benzene, anthraquinone or azo dyes.
  • the dyeing compositions according to the invention may contain ingredients normally used in cosmetics, such as dispersing or wetting agents, thickeners, detergents, emollients or perfumes.
  • Another object of the present invention is to provide a process for dyeing keratinic fibers and particularly human hair essentially characterized by the fact that the hair is impregnated with a dyeing composition according to the invention, such as those described above, and that the composition is allowed to act for 5 to 30 minutes after which the hair is shampooed, rinsed and then dried.
  • Another object of the present invention is toprovide the new articles of manufacture consisting of those new chemical compounds having the Formulas I, II and III which are not described in the French Pat. No. 1,443,251, that is to say the new compositions consisting of those chemical compounds having the general Formula I, II or III, in which the radicals R and R form with the adjacent nitrogen atom a heterocyclic ring belonging to the group consisting of piperidino, morpholino and pyrrolidino radicals.
  • the new compounds described above may be prepared by condensing a diazonium salt obtained by diazotation of Z-aminobenzothiazole on an N,N-disubstituted aniline having the general formula:
  • R and n have the significances hereinbefore indicated; R and R form with the adjacent nitrogen atom a heterocyclic ring belonging to the group consisting of morpholino, piperidino and pyrrolidino radicals; the final mono or bis-quaternization being carried out with methyl sulfate or a halide of a lower alkyl with or without an appropriate solvent.
  • 0.2 mole (46.4 g.) of (N-ethyl- N-fi-piperidinoethyl)-ani1ine in solution is 50 cm. of acetic acid and 50 cm. of Water.
  • the reaction mixture is left for two hours at 0 C. and overnight at the ambient temperature.
  • the mixture is partially neutralized to a pH of 4 to 5 by means of a 3 N sodium hydroxide solution, and cooled overnight at 0 'C., after which drying yields the azo compound in the form of a salt.
  • the precipitate is suspended in one liter of Water at 80 C.; rendered alkaline by means of a N sodium hydroxide solution; and cooled; after which drying yields 55 g. of the desired azo compound, which, after recrystallization in alcohol melts at 130 C.
  • EXAMPLE 2' hydrate are obtained which, after recrystallization in alcohol at melts with decomposition at between 250 and 255 C.
  • This composition is applied to brown hair and left thereon for 15 minutes. The hair is then rinsed and shampooed.
  • This composition is applied to chestnut hair and left thereon for 15 minutes. The hair is then rinsed and shampooed.
  • This composition is applied to chestnut hair and left thereon for 15 minutes. The hair is then rinsed and sham- This composition is applied to White hair and left for 15 minutes, after which the hair is rinsed and shampooed.
  • This composition is applied to 90% white hair and left thereon for 15 minutes. The hair is then rinsed and shampooed.
  • a composition for dyeing human hair which comprises an aqueous solution of a compound selected from the group consisting of (a) a compound having the formula wherein R represents lower alkyl having 1-4 carbon atoms; n is a number between 2-6 inclusive; and R and R form, in combination with the nitrogen atom to which they are attached, piperidino;
  • peridino said compound being present in amounts from 0.01-3 weight percent of the total composition.
  • composition of claim 1 having a pH between 5-8 inclusive.
  • a method for dyeing human hair comprising impregnating said hair with a composition comprising an aqueous solution of a compound selected from the group consisting of (a) a compound having the formula wherein R represents lower alkyl having from 1 to 4 carbon atoms; n is a number between 2 and 6 inclusive, R represents a member selected from the group consisting of hydrogen and lower alkyl having from 1 to 4 carbon atoms, R is selected from the group consisting of hydrogen, lower alkyl having 1 to 4 carbon atoms and formyl, and R and R may form, in combination with the nitrogen, piperidino;
  • R represents a member selected from the group consisting of lower alkyl having 1 to 4 carbon atoms and formyl, with the proviso that R is not lower alkyl when R is hydrogen, and R and R may form, in combination with the nitrogen atom to which they are attached, piperidino;
  • R represents lower alkyl and
  • X represents a member selected from the group consisting of halogen and CH SO with the proviso that when X is CH SO R is methyl; and (c) a compound having the formula:
  • R, R X and n have the meanings given above;
  • R and R each independently represent lower alkyl having 1 to 4 carbon atoms and may form, in combination with the nitrogen atom to which they are attached, piperidino, said compounds being present in amounts from 0.01 to 3 weight percent of said composition, said composition being applied to the hair in amounts to effectively dye said hair, leaving said composition in contact with the hair for 5 to 30 minutes, and then washing, rinsing and drying said hair.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Cosmetics (AREA)
  • Thiazole And Isothizaole Compounds (AREA)

Abstract

IN EACH OF THESE FORMULAE R, R1 AND R2 MAY BE LOWER ALKYL RADICALS, BUT IN SOME OF THE FORMULAE THEY MAY BE H OR ACYL RADICALS INSTEAD, AS SET FORTH IN DETAIL IN THE SPECIFICATION. PREFERABLY R1 AND R2 ARE COMBINED WITH AN ADJACENT N TO FORM A HETEROCYCLIC RADICAL FALLING WITHIN THE GROUP CONSISTING OF MORJPHOLINO, PIPERIDINO AND PYRROLIDINO RADICALS.

3-R3-BENZOTHIAZOL-3-IUM X(=)

2-(R1-N(+)(-R2)(-R3)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-),

BENZOTHIAZOL-3-IUM X(-)

2-(R1-N(-R2)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-),3-R3-

BENZOTHIAZOLE

2-(R1-N(-R2)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-)-

THIS INVENTION RELATES TO METHODS OF DYEING AND DYES FOR KERATINIC FIBERS, ESPECIALLY HUMAN HAIR WITH BENZOTHIAZOLE COMPOUNDS CORRESPONDING TO ONE OF THE FOLLOWING FORMULAE:

Description

United States Patent 3,578,386 DYEING HUMAN HAIR WITH BENZOTHIAZOLE AZO COMPOUNDS Gregoire Kalopissis, Paris, and Andree Bugaut, Boulognesur-Seine, France, assignors to LOreal, Paris, France No Drawing. Filed Feb. 16, 1968, Ser. No. 705,925 Claims priority, application (lguxembourg, Feb. 22, 1967,
Int. Cl. Afilk 7/12 US. Cl. 8-10 3 Claims ABSTRACT OF THE DISCLOSURE This invention relates to methods of dyeing and dyes for keratinic fibers, especially human hair with benzothiazole compounds corresponding to one of the following formulae:
In each of these formulae R, R and R may be lower alkyl radicals, but in some of the formulae they may be H or acyl radicals instead, as set forth in detail in the specification. Preferably R and R are combined with an adjacent N- to form a heterocyclic radical falling within the group consisting of morpholino, piperidino and pyrrolidino radicals.
The object of the present invention is to provide a new dyeing composition for keratinic fibers and more particularly for human hair, essentially characterized by the fact that it contains in solution at least one compound taken from the group consisting of:
(a) the compounds having the general formula:
' 3,578,386 Patented May 11, 1971 (b) the mono-quaternary compounds having the general formula:
in which R, R and n have the significances indicated above, and R represents a lower alkyl radical having from 1 to 4 carbon atoms or an acyl radical but cannot be a lower alkyl radical when R represents a hydrogen atom; R and R may be included with the nitrogen in heterocyclic ring falling within the group consisting of morpholino, piperidino and pyrrolidino radicals, R represents a lower alkyl radical and X a halogen atom or a SO,CH radical, it being undestood that in the latter case R may represent only a methyl group:
(c) the bis-quaternary compounds having the general formula R i X l T l- 1 J Ilit Rz (III) in which R, R and X have the signficances indicated above, R and R each represent a lower alkyl radical having from 1 to 4 carbon atoms or may constitute part of a heterocyclic ring including nitrogen and falling within the group consisting of morpholino, piperidino and pyrrolidino radicals.
Certain of the compounds described above have already been described in French Pat. No. 1,443,251, in which it was shown that they could be used to dye polyacrylic fibers. The applicants have found that, surprisingly enough, use of the compounds yields particularly worthwhile results in the dyeing of keratinic fibers and, more particularly, for dyeing hair, due to the notable intensity, brilliance and fastness of the desired shades, which range from red to blue black. The blue shades obtained from the quaternary compounds are especially stronger than the blue shades heretofore obtained on hair by means of cationic anthraquinone dyes.
It should be made clear that the dyeing compositions according to the invention may be used in a relatively wide pH range, but that the pH of these compositions should preferably be between 5 and 8.
The length of time that the dyeing compositions according to the invention should be in contact with the hair may vary greatly, but should preferably fall between 5 and 30 minutes. The application temperature of these dyeing compositions may also vary, but in most cases, they should preferably be used at room temperature.
The concentrations of dyes responding to Formulas I, II and III may vary significantly in the dyeing compositions according to the invention, but this concentration is preferably between 0.01% and 3%.
It should be noted that the dyes according to the invention may be mixed with each other or with other dyes normally used in dyeing hair, such as benzene, anthraquinone or azo dyes.
Moreover, the dyeing compositions according to the invention may contain ingredients normally used in cosmetics, such as dispersing or wetting agents, thickeners, detergents, emollients or perfumes.
Another object of the present invention is to provide a process for dyeing keratinic fibers and particularly human hair essentially characterized by the fact that the hair is impregnated with a dyeing composition according to the invention, such as those described above, and that the composition is allowed to act for 5 to 30 minutes after which the hair is shampooed, rinsed and then dried.
Another object of the present invention is toprovide the new articles of manufacture consisting of those new chemical compounds having the Formulas I, II and III which are not described in the French Pat. No. 1,443,251, that is to say the new compositions consisting of those chemical compounds having the general Formula I, II or III, in which the radicals R and R form with the adjacent nitrogen atom a heterocyclic ring belonging to the group consisting of piperidino, morpholino and pyrrolidino radicals.
The previously known compounds having the Formulas I, II and 111 may be prepared as shown in the French Pat. No. 1,443,251.
The new compounds described above may be prepared by condensing a diazonium salt obtained by diazotation of Z-aminobenzothiazole on an N,N-disubstituted aniline having the general formula:
in which R and n have the significances hereinbefore indicated; R and R form with the adjacent nitrogen atom a heterocyclic ring belonging to the group consisting of morpholino, piperidino and pyrrolidino radicals; the final mono or bis-quaternization being carried out with methyl sulfate or a halide of a lower alkyl with or without an appropriate solvent.
In order that the invention may be better understood, several examples will now be described, purely by way of illustration.
EXAMPLE 1 Preparation of azo (Z-aminobenzothiazoleN-ethyl- N-B-piperidinoethyl-aniline) 0.2 mole (30 g.) of Z-aminobenzothiazole is diazotized in solution in 300 cm? of phosphoric acid by the amount of nitrosyl acid sulfate which can be obtained from 0.2 mole (13.8 g.) of sodium nitrite and 115 cm. of sulfuric acid (density d.=1.83). To the diazonium salt solution is added 200 cm. of ice Water and, little by little, at between 5 C. and C., 0.2 mole (46.4 g.) of (N-ethyl- N-fi-piperidinoethyl)-ani1ine in solution is 50 cm. of acetic acid and 50 cm. of Water. The reaction mixture is left for two hours at 0 C. and overnight at the ambient temperature. The mixture is partially neutralized to a pH of 4 to 5 by means of a 3 N sodium hydroxide solution, and cooled overnight at 0 'C., after which drying yields the azo compound in the form of a salt. The precipitate is suspended in one liter of Water at 80 C.; rendered alkaline by means of a N sodium hydroxide solution; and cooled; after which drying yields 55 g. of the desired azo compound, which, after recrystallization in alcohol melts at 130 C.
Analysis of the product yields the following results:
Analysis (percent) Calculated Found Product N S N S CzzH27N5S 17. 81 3. 14 17. 56-17. 64 8. 04-8. 17
EXAMPLE 2' hydrate are obtained which, after recrystallization in alcohol at melts with decomposition at between 250 and 255 C.
Analysis of the product yields the following results:
Analysis (percent) Calculated Found Product N S N S C2|1H41N5S309 10.55 14.48 10. 27-10. 51 14.69-14.83
EXAMPLE 3 The following dyeing composition is prepared:
Azo (Z-aminobenzothiazole-a N-ethyl N fi-aminoethyl-aniline) 0.15 Iso-octylphenyl-polyethoxy-ethanol 5 20% citric acid solution q.s.p. (pH=8). Water q.s.p. 100
This composition is applied to brown hair and left thereon for 15 minutes. The hair is then rinsed and shampooed.
A deep mahogany shade results.
EXAMPLE 4 The following dyeing composition is prepared:
Dimethosulfate of the bis-quaternary compound corresponding to the azo (2-arninobenzothiazo1e- N- ethyl-N-piperidinoethyl-aniline) 0.65 Laurie alcohol oxyethylenated with 10.5 moles of ethylene oxide Na CO solution at 2 N, q.s.p. (pH=7). Water q.s.p. 100
This composition is applied to chestnut hair and left thereon for 15 minutes. The hair is then rinsed and shampooed.
A deep ash brown results.
EXAMPLE 5 The following dyeing composition is prepared:
G. Methosulfate of the mono-quaternary compound corresponding to the azo (Z-aminobenzothiazole N-ethyl-N-formarnido-ethyl-aniline) 0.48 Lauric alcohol oxyethylenated with 10.5 moles of ethylene oxide 2 Na CO solution of 2 N, q.s.p. (pl-1 :7). Water q.s.p. 100
This composition is applied to chestnut hair and left thereon for 15 minutes. The hair is then rinsed and sham- This composition is applied to White hair and left for 15 minutes, after which the hair is rinsed and shampooed.
A dull ash grey shade results.
This composition is applied to 90% white hair and left thereon for 15 minutes. The hair is then rinsed and shampooed.
A dull ash chestnut results.
It will be appreciated that the foregoing examples are merely representative of the many possible ways of carrying out the invention, and may be modified as to detail without thereby departing from the basic principles thereof.
What is claimed is:
1. A composition for dyeing human hair which comprises an aqueous solution of a compound selected from the group consisting of (a) a compound having the formula wherein R represents lower alkyl having 1-4 carbon atoms; n is a number between 2-6 inclusive; and R and R form, in combination with the nitrogen atom to which they are attached, piperidino;
(b) a compound having the formula CHih-N wherein R, and n have the meanings given above, R and R form, in combination with the nitrogen atom to which they are attached, piperidino; R represents lower alkyl and X represents a member selected from the group consisting of halogen and CH SO with the proviso that when X is CH SO R is methyl; and (c) a compound having the formula wherein R, R X and n have the meanings given above, and R and R form, in combination with the nitrogen atom to which they are attached, pi-
peridino, said compound being present in amounts from 0.01-3 weight percent of the total composition.
2. The composition of claim 1 having a pH between 5-8 inclusive.
3. A method for dyeing human hair comprising impregnating said hair with a composition comprising an aqueous solution of a compound selected from the group consisting of (a) a compound having the formula wherein R represents lower alkyl having from 1 to 4 carbon atoms; n is a number between 2 and 6 inclusive, R represents a member selected from the group consisting of hydrogen and lower alkyl having from 1 to 4 carbon atoms, R is selected from the group consisting of hydrogen, lower alkyl having 1 to 4 carbon atoms and formyl, and R and R may form, in combination with the nitrogen, piperidino;
(b) a compound having the formula:
CH2)n-N wherein R, R and n have the meanings given above, R represents a member selected from the group consisting of lower alkyl having 1 to 4 carbon atoms and formyl, with the proviso that R is not lower alkyl when R is hydrogen, and R and R may form, in combination with the nitrogen atom to which they are attached, piperidino; R represents lower alkyl and X represents a member selected from the group consisting of halogen and CH SO with the proviso that when X is CH SO R is methyl; and (c) a compound having the formula:
wherein R, R X and n have the meanings given above; R and R each independently represent lower alkyl having 1 to 4 carbon atoms and may form, in combination with the nitrogen atom to which they are attached, piperidino, said compounds being present in amounts from 0.01 to 3 weight percent of said composition, said composition being applied to the hair in amounts to effectively dye said hair, leaving said composition in contact with the hair for 5 to 30 minutes, and then washing, rinsing and drying said hair.
References Cited UNITED STATES PATENTS 3,414,559 12/1968 Sartori 260158 FOREIGN PATENTS 5/1966 France 260-158 ALBERT T. MEYERS, Primary Examiner V. C. CLARKE, Assistant Examiner US. Cl. X.R.
US705925A 1967-02-22 1968-02-16 Dyeing human hair with benzothiazole azo compounds Expired - Lifetime US3578386A (en)

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Cited By (45)

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US3933787A (en) * 1973-01-12 1976-01-20 Sandoz Ltd., (Sandoz Ag) Substituted 4-(2-benzothiazolyl)phenylazo dyes having a quaternary ammonium, hydrazinium or optionally substituted amino substituent
US3988311A (en) * 1966-05-23 1976-10-26 Ciba-Geigy Ag Basic azo dyestuffs containing a heterocyclic diazo component and a para-N-tertiary or quaternary heterocyclic amine alkylene amino benzene coupling component
US4051084A (en) * 1974-01-11 1977-09-27 Bayer Aktiengesellschaft Cationic dyestuffs
US4714606A (en) * 1984-05-15 1987-12-22 Cytocolor Incorporated Method of staining and identifying cells and compositions thereof
US5879412A (en) * 1996-12-23 1999-03-09 L'oreal Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent
US5919273A (en) * 1996-12-23 1999-07-06 L'oreal Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent
US5993490A (en) * 1996-12-23 1999-11-30 L'oreal Composition for the oxidation dyeing of keratin fibers containing a cationic direct dye and dyeing process using this composition
US6001135A (en) * 1996-12-23 1999-12-14 L'oreal Compositions and processes for dyeing keratin fibers with cationic direct dyes, oxidation bases, and oxidizing agents
US6371994B2 (en) * 1998-05-28 2002-04-16 L'oreal S.A. Dye composition for keratin fibers, with a cationic direct dye and a polyol or polyol ether
US6436153B2 (en) * 1998-05-28 2002-08-20 L'ORéAL S.A. Composition for the direct dyeing of keratin fibres with a cationic direct dye and a polyol and/or a polyol ether
FR2822698A1 (en) * 2001-04-03 2002-10-04 Oreal NEW DYE COMPOSITION FOR DYEING KERATIN FIBERS COMPRISING A DICATIONIC MONOAZO DYE
FR2825623A1 (en) * 2001-06-12 2002-12-13 Oreal DYEING COMPOSITION OF HUMAN KERATINIC FIBERS WITH OXIDATION DYES AND DICATIONIC COMPOUNDS
FR2825625A1 (en) * 2001-06-12 2002-12-13 Oreal USE OF DICATIONIC COMPOUNDS IN DYEING OF HUMAN KERATIN FIBERS AND COMPOSITIONS CONTAINING SAME
FR2825624A1 (en) * 2001-06-12 2002-12-13 Oreal DYEING COMPOSITION OF HUMAN KERATINIC FIBERS WITH DIRECT DYES AND DICATIONIC COMPOUNDS
US6712861B2 (en) * 1997-10-22 2004-03-30 L'oreal S.A. Composition for dyeing keratin fibers and dyeing method using same
US20050183211A1 (en) * 2003-06-16 2005-08-25 Henri Samain Lightening dye composition comprising at least one cationic direct dye containing mixed chromophores
US20050204483A1 (en) * 2003-06-16 2005-09-22 Henri Samain Dye composition comprising at least one direct dye containing mixed chromophores
US20050241074A1 (en) * 2004-02-27 2005-11-03 Andrew Greaves Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero)arylmethane type, dyeing process and mixed dyes
FR2872035A1 (en) * 2004-06-23 2005-12-30 Oreal Use of polycationic compound as a direct dye in tinctorial compositions for dyeing keratinous fibers (preferably human keratinous fibers e.g. hair) or for the manufacture of the tinctorial composition
US20060037151A1 (en) * 2004-06-23 2006-02-23 L'oreal Use of polycationic compounds in the dyeing of keratinous fibres
US20060080791A1 (en) * 2004-10-14 2006-04-20 Nicolas Daubresse Dyeing composition comprising at least one disulphide dye and method of dyeing human keratin fibers using this dye
US20070125261A1 (en) * 2005-08-26 2007-06-07 Nicolas Daubresse Mixed cationic dyes comprising at least one anthraquinone chromophore and their use in methods of hair dyeing
EP1820537A1 (en) * 2006-02-18 2007-08-22 Wella Aktiengesellschaft Agents for coloring keratin fibers
EP1820536A1 (en) * 2006-02-18 2007-08-22 Wella Aktiengesellschaft Coloring agents for keratin fibers
US20090313769A1 (en) * 2006-03-24 2009-12-24 Nicolas Daubresse Method of dyeing and lightening keratin materials in the presence of a reducing agent comprising a fluorescent disulphide dye
US20100287714A1 (en) * 2006-03-24 2010-11-18 L'oréal Dye composition containing a thiol/disulphide fluorescent dye comprising amino groups and comprising an internal cationic charge, process for lightening keratin materials using this dye
FR2955860A1 (en) * 2010-02-03 2011-08-05 Oreal Use of substituted azophenyl-ethane diamine compounds for dyeing keratin fibers, preferably human hair
US9044412B2 (en) 2011-07-05 2015-06-02 L'oreal Dye composition using a long-chain ether of an alkoxylated fatty alcohol and a cationic polymer, processes and devices using the same
US9060944B2 (en) 2011-07-05 2015-06-23 L'oreal Cosmetic composition rich in fatty substances comprising a polyoxyalkylenated fatty alcohol ether and a direct dye and/or an oxidation dye, the dyeing method and the device
US9066890B2 (en) 2011-07-05 2015-06-30 L'oreal Dye composition comprising an alkoxylated fatty alcohol ether and a fatty alcohol
US9265705B2 (en) 2011-02-25 2016-02-23 L'oreal Composition for dyeing keratin fibres comprising a direct dye bearing a disulphide/thiol function, a nonionic surfactant, an amphoteric surfactant, an ethoxylated fatty alcohol, an alkaline agent and a reducing agent
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US20060080791A1 (en) * 2004-10-14 2006-04-20 Nicolas Daubresse Dyeing composition comprising at least one disulphide dye and method of dyeing human keratin fibers using this dye
US20070125261A1 (en) * 2005-08-26 2007-06-07 Nicolas Daubresse Mixed cationic dyes comprising at least one anthraquinone chromophore and their use in methods of hair dyeing
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FR1560664A (en) 1969-03-21
DE1794404B2 (en) 1977-08-11
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DE1719377C3 (en) 1978-03-30
DE1719377B2 (en) 1977-08-04
DE1794404C3 (en) 1978-04-06
GB1211801A (en) 1970-11-11
DE1794404A1 (en) 1975-11-27
GB1211802A (en) 1970-11-11
DE1719377A1 (en) 1971-10-21

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