GB2078747A - Meta-phenylenediamine dye couplers - Google Patents

Meta-phenylenediamine dye couplers Download PDF

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GB2078747A
GB2078747A GB8120127A GB8120127A GB2078747A GB 2078747 A GB2078747 A GB 2078747A GB 8120127 A GB8120127 A GB 8120127A GB 8120127 A GB8120127 A GB 8120127A GB 2078747 A GB2078747 A GB 2078747A
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00Preparations for care of the hair
    • A61Q5/10Preparations for permanently dyeing the hair
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/41Amines
    • A61K8/411Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus

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Abstract

New dye couplers are disclosed, which are particularly suitable for use in hair dye compositions. These couplers have the general formula: <IMAGE> in which Z represents either a polyhydroxyalkyl radical in which the alkyl group contains from 3 to 6 carbon atoms, the said radical containing 2 or 3 hydroxyl groups, or an alkyl radical containing at least one chain heteroatom and at least one hydroxyl group, the said alkyl radical containing from 4 to 8 carbon atoms, and include their acid salts.

Description

SPECIFICATION Meta-phenylenediamines and the process for their manufacture, dyeing compositions in which they are present and corresponding dyeing process The present invention relates to new metaphenylenediamines, a process for their preparation, dyeing compositions, for keratin fibres, in which they are present, and a hair-dyeing process using the said dyeing compositions.
In the field of dyeing keratin fibres such as hair or fur, meta-phenylenediamines have an important function which has been known for a long time; they form part of the class of compounds commonly referred to as "couplers". In association with paraphenylenediamines or para-aminophenols, which are compounds referred to as "oxidation bases", couplers give rise, in an oxidising alkaline medium, to coloured indamines, indoanilines or indophenols.
The association of meta-phenylenediamines with para-phenylenediamines, in an oxidising alkaline medium and more particularly in the presence of hydrogen peroxide, gives rise to indamines capable of imparting very strong blue colorations to keratin fibres. Furthermore, when associated with para-aminophenols, metaphenylenediamines give, in an oxidising alkaline medium, indoanilines which impart, to keratin fibres, red colorations containing a greater or lesser degree of purple. Thus, as couplers, meta-phenylenediamines have a dual function in hair dyeing, namely the provision of blue and the provision of red, that is to say the provision of two fundamental colours which are essential forobtaining not only blacks and greys, but also ashen or coppery chestnuts.
.Despite this important function, such couplers have hitherto been limited in practice to a very restricted number of compounds. This very limited number is explained by the fact that only compounds which can be selected for the dyeing of keratin fibres are those which make it possible to obtain dyes of good quality, that is to say dyes which do not change with time, and, in particular, do not change when subjected either to light or to adverse weather conditions. Moreover, in the cse of hair dyes, the couplers used must be very harmless ard, in particular, must be virtually non-mutagenic in the Ames test on Salmonella thyphimurium (TA 1538, TA 98, TA 100, TA 1537 and TA 1 535, in the absence or presence of "S9 MIX" activated by "Arochlor 1254").
The object of the present invention is to provide new chemical compounds serving as meta phenylenediamine couplers which can be used in dyeing compositions for keratin fibres. The compounds according to the invention can be used particularly in hair dyeing because they not only possess the dyeing properties of a good coupler, but they also have the advantage of being very harmless and are non-mutagenic in the Ames tests as defined above. French Patent Application 2,362,116 discloses meta-phenylenediamines which give satisfactory results in hair dyeing, this invention provides other meta-phenylenediamines of the same type.
The present invention provides a chemical compound of the general formula
in which formula Z represents either a polyhydroxyalkyl radical in which the alkyl group contains from 3 to 6 carbon atoms, the said radical containing 2 or 3 hydroxyl groups, or an alkyl radical interrupted by at least one hetero-atom and containing at least one hydroxyl group, the said alkyl chain containing from 4 to 8 carbon atoms, and the corresponding acid salts such as the hydrochloride, sulphate, tartrate, phosphate, lactate, hydrobromide and citrate.
Preferably, if Z represents an alkyl radical interrupted by at least one hetero-atom, the hetero-atom (or hetero-atoms) is (or are) an oxygen atom (or oxygen atoms); the hydroxyl group (or groups) of the alkyl radical (chain) may or may not be at the end of the chain.
The present invention also provides a process for the preparation of the compounds of the formula (I) defined above. In this process, a halogen derivative of the formula X-Z, X being a halogen and Z being as defined for formula (I), is reacted with an alkali metal salt of 2-acetylamino-4-nitrophenol so as to condense the radical Z onto the nucleus, an alkali metal halide being eliminated, the nitro group of the product obtained is then reduced and, finally, the product is deacylated to obtain the compound of the formula (I).
In a preferred embodiment, the halogen X which is used is chlorine and the alkali metal is potassium; the reduction of the nitro group is suitably carried out in alcoholic solution, under reflux, using zinc powder in the presence of ammonium chloride.
The present invention also provides a dyeing composition for keratin fibres, and in particular for hair, the said composition containing at least one oxidation base, in a cosmetically acceptable carrier, and being characterised in that it contains, as the coupier, at least one compound of the formula (I) or a corresponding acid salt.
In general, the meta-phenylenediamines of the formula (I) are present in the dyeing composition according to the invention in an amount of 0.001 to 2.5% by weight, relative to the total weight of the composition.
The meta-phenylenediamines according to the invention can be incorporated into dyeing compositions together withs oxidation bases such as: A. The para-phenylenediamines of the general formula (ill):
or the corresponding acid salts, in which formula Rr, R2and R3are identical or different and represent a hydrogen atom, an alkyl radical having from 1 to 4 carbon atoms or an alkoxy radical having 1 or 2 carbon atoms, and R4 and P5 are identical or different and represent a hydrogen atom, an alkyl or hydroxyalkyl radical, an alkoxyalkyl radical in which the alkoxy group contains 1 or 2 carbon atoms, or a carbamylalkyl, mesylaminoalkyl, acetylaminoalkyl, ureidoalkyl, carbethoxyaminoalkyl, aminoalkyl, monoalkylaminoalkyl, diaikylaminoalkyl, piperidinoalkyl or morpholinoalkyl radical, the alkyl groups in R4 and R5 having from 1 to 4 carbon atoms, or alternatively R4 and P5 form a piperidino or morpholino group together with the nitrogen atom to which they are attached, with the provisos that R, and R3 represent a hydrogen atom if R4 and R5 do not represent a hydrogen atom.
B. The para-aminophenols of the general formula (III):
or the corresponding acid salts, in which formula R6 represents a hydrogen atom, an alky radical containing from 1 to 4 carbon atoms or a halogen atom such as chlorine or bromine.
C. Heterocyclic bases such as 2,5-diaminopyridine, 3-methyi-7-aminobenzomorpholine and 5 aminoindoie.
It has been found that the use of the meta-phenylenediamines according to the invention, with at least one oxidation bass mentioned under A, B or C above, makes it possible to obtain dyeing compositions which give the hair shades of good quality, which are very resistant especially to washing.
In general, the couplers according to the invention make it possible to obtain, with the paraphenylenediamines, blue colorations which are more or less rich in green or purple, and, with the paraaminophenols, red colorations. The dyeing compositionss according to the invention can thus advantageously contain both para-phenylenediamines and para-aminophenols.
It has been found that particularly valuable results can be obtained by using, as the compounds of the formula (I) or their corresponding salts with acids, 2,4-diaminophenyl P-(P'-hydroxyethoxy)-ethyl ether, especially in the form of the dihydrochloride, and/or 2,4-diaminophenyl ,y-dihydrnxyprnpyl ether, especially in the form of the dihydrochloride.
Apart from the coupler (or couplers) of the formula (I) and the associated oxidation base (or bases), the dyeing compositions of the present invention can contain one or more of the following products: 1) either known couplers, for example resorcinol, 2-methylresorcinol, meta-aminophenol, 2-methyl-5a minophenol, 2-methyl-5-[N-(-hydrnxyethyl)-amino]-phenol, 6-hydroxybenzomorpholine, 2,6dimethyl-3-acetylaminophenol, 2-methyl--5-carbethoxyaminophenol, 2-methoxy-5 carbethoxyaminophenol, 2-methyl-5-ureidophenol and 1 -phenyl-3-methylpyrazol-5-one;; 2) ortho-phenylenediamines and ortho-aminophenols optionally containing substituents on the nucleus or on the amine groups, or also ortho-diphenol, it being possible, by means of complex oxidation mechanisms, for these products to lead to new coloured compounds, either by cyclisation with themselves or by reaction with the para-phenylenediamines; 3) dyestuff precursors of the benzene series, containing on the nucleus, at least three substituents selected from hydroxyl, methoxy and amino groups, such as 2,6-diaminohydroquinone dihydrochloride, 2,6-dia mino-4-[N,N-bis-(ethyl)-a mino]-phenol trihydrochloride, 2,4-diaminophenyl dihydrochloride, 1 ,2,4-trihydroxybenzene, 2,3,5-trihydroxytoluene or 4-methoxy-2-am ino-N-(-hydrnxyethyl)-aniline; 4) dyestuff precursors of the naphthalene series, such as 2-hydroxy-1 ,4-naphthoquinone and 5 hydroxy-1 ,4-naphthoquinone;; 5) leuco-derivatives of indoanilines or of indophenols, such as 4,4'-dihydroxy-2-amino-5methyldiphenylamine, 4,4'-dihydrnxy-2-[N-(hydrnxyethyl)-aminoJ-5-methyl-2'-chIorndiphenylamine, 2,4'-diamino-4-hydroxy-5-methyl-diphenylamine, 2,4-dihydrnxy-41-[N-(methoxyethyl)-aminoj- diphenylamine or 2,4-dihydroxy-5-methyi-4'-[N-(/3-methoxyethyl)-amino]-diphenylamine;; and (6 direct dyestuffs, for example nitro benzene dyestuffs, such as 1 -[N,N-bis-(ss-hydroxyethyl)-amino]-3- nitro-4-(N'-methyla mino)-benzene, 1 -[N-methyl-N-(p-hydroxyethyl)-amino]-3-nitro-4-[N'-(X3- hydroxyethyl)-a mino]-benzene, 1 -[N-methyl-N-(/3-hydroxyethyl)-am ino]-3-nitro-4-( N'-methylamino)- benzene, 3-nitro-4-[N-(P-hydroxyethyl)-a mino]-anisole, 3-nitro-4-[N-(p-hydroxyethyl)-a mino]-phenol, 3-nitro-4-aminophenoxy-ethanol, 3-nitro-4-(N-methylamino)-phenoxy-ethanol or 2-ZN-(P-hydroxy- ethyl)-amino]-5-nitroanisole.
The pH of the dyeing compositions according to the invention is basic, for example, from 8 to 1 1.5. Amongst the alkalising agents which can be used to adjust the pHs there may be mentioned ammonia, alkylamines such as ethylamine or triethylamine, alkanolamines such as mono-, di- or triethanolamine, alkylalkanolamines such as methyldiethanolamine, sodium hydroxide or potassium hydroxide and sodium carbonate, potassium carbonate or ammonium carbonate. Amongst the acidifying agents which can be used, there may be mentioned lactic acid, acetic acid, tartaric acid and phosphoric acid.
The cosmetically acceptable carrier which is associated with the base(s), coupler(s) and, if appropriate, direct dyestuff(s) of the composition can comprise, apart from water, surface-active agents, organic solvents, thickening products, antioxidants, penetrating agents, foaming agents, sequestering agents, film-forming products, treating agents and perfumes, for example.
Anionic, cationic, non-ionic and amphoteric surface-active agents, or a mixture thereof, can be included in the composition according to the invention. Amongst the surface-active agents which can be used in particular, there may be mentioned alkylbenzenesulphonates, alkylnaphthalenesulphonates, the sulphates, ether-sulphates and sulphonates of fatty alcohols, quaternary ammonium salts such as trimethylcetylammonium bromide and cetylpyridinium bromide, fatty acid diethanolamines, polyoxyethyleneated or polyglycerolated acids and alcohols and polyoxyethyleneated or polyglyerolated alkylphenols. Preferably, the surface-active agents are present in the composition according to the invention in an amount of 0.5 to 55% by weight and advantageously 4 to 40% by weight, relative to the total weight of the composition.
Organic solvents can also be included in the composition according to the invention in order to solubilise compounds which would not otherwise be sufficiently soluble in water. Amongst the solvents which can advantageously be used, there may be mentioned ethanol, isopropanol, glycerol, glycols and their ethers, such as 2-butoxyethanol, ethylene glycol, propylene glycol and diethylene glycol monoethyl ether and monomethyl ether. The solvents are advantageously present in the composition in an amount from 1 to 40% by weight and preferably of 5 to 30% by weight, relative to the total weight of the composition.
The thickening products from which can be included in the composition according to the invention include sodium alginate, gum arabic, cellulose derivatives such as methyl cellulose, hydroxycellulose, hydroxypropylmethylcellulose and the sodium salt of carboxymethylcellulose, and acrylic acid polymers; it is also possible to use inorganic thickeners such as bentonite. Preferably, the thickeners are present in an amount from 0.5 to 5% by weight, relative to the total weight of the composition, and advantageously from 0.5 to 3% by weight.
The antioxidants which can be included in the composition according to the invention is advantageously sodium sulphite, thioglycolic acid, mercaptosuccinic acid, sodium bisulphite, ascorbic acid or hydroquinone. These antioxidants are suitably present in the composition in an amount of 0.05 to 1.5% by weight, relative to the total weight of the composition.
The dyeing composition according to the invention generally contains, at the time of use, oxidising agents such as hydrogen peroxide, urea peroxide or per-salts, for example ammonium persulphate.
The dyeing composition according to the invention is suitably in the form of a liquid, a cream, a gel or an aerosol or in any other form suitable for dyeing keratin fibres.
The present invention also provides a hair-dyeing process which is characterised in that a composition according to the invention is mixed with an oxidising agent, in that the said mixture is applied to the hair, in that the mixture is left to act on the hair for a period of, say, 5 to 45 minutes, and in that the hair is rinsed, optionally shampooed and rinsed again, and dried.
The following Examples further illustrate the present invention.
EXAMPLE 1 Preparation of 2,4-diaminophenyl , -hydroxyethoxy)-ethyl ether dihydrochloride The compound prepared has the following formula:
First stage:
Second stage:
Third stage:
Fourth stage:
First step: Preparation of the potassium salt of 2-acetylamino-4-nitrophenol 2,1 50 ml of ethanol, containing, in solution, 1.89 mols of 80% strength potassium hydroxide solution (133 g), are cooled to -1 00C; 1.89 mols (371 g) of 2-acetylamino-4-nitrophenol are then added gradual!y, whilst stirring and at the same time keeping the temperature below 50C. The potassium salt precipitates. The product is filtered off, washed-with ethanol and dried in vacuo at 50"C.
Second step: Preparation of 2-acetylamino-4-nitrophenyl ,B-(,ss'-hydroxyethoxy)-ethyl ether 0.5 mol (117 g) of the potassium salt of 2-acetylamino-4-nitrophenol is introduced into 500 ml of dimethylformamide; 0.6 mol (64 ml) of diethylene glycol monochlorohydrin is then added, whilst stirring. The mixture is stirred for 8 hours at a temperature of the order of 1 000C and then poured into two litres of ice-cooled water. The crude product is filtered off; it is washed with water, then with an icecooled normal sodium carbonate solution and finally with water. After drying in vacuo and recrystallisation from ethanol, the expected product melts at 1 52 OC.
Analysis of the product obtained gives the following results:
Analysis Calculated for CIzHl6Nz06 Found C % 50.70 50.88 H % 5.67 5.64 N % 9.86 9.74 O% 33.77 33.90 Third step:Preparation of2-acetylamino-4-aminophenyl -('-hydrnxyethoxy)-ethyl ether monohydrochloride 400 ml of ethanol (960 strength), to which 75 ml of water, 10 g of ammonium chloride and 200 g of zinc powder have been added, are heated to the reflux temperature, whilst stirring; 0.32 mol (91 g) or 2-acetylamino-4-nitrophenyi ,B-(p'-hydroxyethoxy)-ethyl ether is then added gradually, whilst at the same time continuing the stirring. After each addition, the reaction medium is decolorised very rapidly.
When the addition of the nitro derivative has ended, the heating is maintained for about ten minutes and the reaction medium is then filtered, the filtrate being collected in 30 ml of ethanol (960 strength) to which 34 ml of 36% strength hydrochloric acid have been added, and which have been cooled beforehand with the aid of a solid carbon dioxide/ethanol mixture. The expected product crystallises in the form of the hydrochloride. it is filtered off, washed with a small amount of absolute ethanol cooled to -1 00C beforehand, and then dried in vacuo at 550C.
Analysis of the product obtained gives the following results:
Analysis Calculated for CI2H1,N204.HC Found C % 49.57 49.56 H % 6.58 6.50 N % 9.63 9.48 O % 22.01 21.83 Cl % 12.19 12.30 Fourth step: Preparation of 2,4-diaminophenyl P-(P'-hydroxyethoxy)-ethyl ether di hydrochloride 0.25 mol (70.9 g) of 2-acetylamino-4-aminophenyl ss-(ss'-hydroxyethoxy)-ethyl ether monohydrochloride is heated to the reflux temperature, whilst stirring, in 210 ml of absolute ethanol saturated with hydrogen chloride.After heating for 10 minutes, dissolution is total and the expected dihydrochloride then starts to precipitate after about half an hour. The heating is maintained for one hour in total and the reaction medium is then cooled to OOC. The dihydrochloride is filtered off, washed with a small amount of absolute ethanol at OOC and then dried in vacuo at 55 C. It melts with decomposition between 180 and 1 850C.
Analysis of the product obtained gives the following results:
Analysis Calculated for CloHl6N20l.2HCl- Found C % 42.12 42.24 H % 6.36 6.39 N % 9.82 9.73 O % 16.83 17.07 Cl % 24.87 24.90-24.94 EXAMPLE 2 Preparation of 2,4-diaminophenyl P,y-dihydroxypropyl ether dihydrochioride
First stage:
Second stage:
Third stage:
First step:Preparation of 2-acetylamino-4-nitrophenyl P,y-dihydroxypropyl ether 0.2 mol (46.8 g) of the potassium salt of 2-acetylamino-4-nitrophenol is introduced into 100 ml of 1 -chloropropane-2,3-diol to which 20 ml of water have been added. The mixture is heated for 1 0 hours in a boiling water-bath. 0.1 mol (13.8 g) of potassium carbonate is added and the heating is then continued for six hours. After cooling and removal of the inorganic salts by filtration, 250 ml of ethanol (960 strength) are added to the filtrate and the mixture is then cooled overnight at OOC. The expected product crystallises. It is filtered off and washed with ethanol, then with a normal sodium carbonate solution and then with water.
After two recrystallisations from ethanol and drying in vacuo at 550C, the product melts at 1 420C.
Analysis of the product obtained gives the following results
Analysis Calculated for CllHl4N.06 Found C % 48.89 48.77 H H % 5.22 5.15 N % 10.37 10.44 0 % 35.52 35.32-35.46 Second step:Preparation of 2-acetylamino-4-aminophenyl ,y-dihyoroxyprnpyl ether hydrochloride 1 7 ml of ethanol (960 strength), to which 2.5 ml of water, 0.4 g of ammonium chloride and 8 g of zinc powder have been added, are heated to the reflux temperature, whilst stirring: 1.35 x 10-2 mols (3.6 g) of 2-acetylamino-4-nitrophenyl ,y-dihydrnxyprnpyl ether are then added gradually, whilst at the same time maintaining the stirring. When the addition has ended and the reaction medium is decolorised, the latter is filtered, the filtrate being collected in 1.5 ml of ethanol (960 strength) to which 1.5 ml of 36% strength hydrochloric acid have been added, cooling being carried out with the aid of an ethanol/solid carbon dioxide mixture. In the cooled filtrate, the expected product crystallises in the form of the hydrochloride. It is filtered off, washed with a small amount of absolute ethanol cooled beforehand, and then dried in vacuo at 550C.
Analysis of the product obtained gives the following results:
Analysis Calculated for C11H16Np4. HCl Found C % 47.74 47.86 H % 6.19 6.26 N % 10.12 10.16 O % 23.13 23.08 Cl % 12.81 12.90 Third step:Preparation of 2,4-diaminophenyl ss,&gamma;-dihydroxypropyl ether dihydrochloride 0.195 mol (54 g) of 2-acetylamino-4-aminophenyl ss,&gamma;-dihydroxypropyl ether hydrochloride is introduced into 270 ml of absolute ethanol saturated to with hydrogen chloride, to which 54 ml of-i 2-N hydrochloric acid have been added. The reaction mixture is heated for one hour in the region of 1000C, whilst stirring. The expected dihydrochloride, which is insoluble in the hot reaction medium, is filtered off. The product is washed with a small amount of absolute ethanol saturated with hydrogen chloride, and then washed with acetone. After drying in vacuo at 550C, it melts with decomposition between 210 and 2150C.
Analysis of the product obtained gives the following results:
Analysis Calculated for C9Hl4N < O3. 2HCI Found C % 39.86 39.96 H % 5.95 6.04 N % 10.33 10.28 O % 17.70 17-64 CI % 1 26.15 26.23 EXAMPLE 3 The following dyeing composition is prepared:: Compound of Example 1 2.85 g Para-phenylenediamine 1.08 g Oxyethyleneated nonylphenol containing four moles of ethylene oxide, sold under the name "CEMULSOL NP4" by "RHONE POULENC" 21 g Oxyethyleneated nonylphenol containing nine mols of ethylene oxide, sold under the name "CEMULSOL NP9" by "RHONE POULENC" 24 g Oleicacid 4 g 2-Butoxyethanol 3 g Ethanol (960 strength) 10 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2.5 g Thioglycolic acid 0.6 g Ammonia solution (2208 strength) 10 g Water q.s.p. 100 g The pH of the composition is equal to 9.7.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied to 90% naturally white hair for 25 minutes at 280C, this mixture imparts to the hair, after rinsing and shampooing, a blue-black coloration.
EXAMPLE 4 The following dyeing composition is prepared: Compound of Example 2 0.0067 g Para-phenylenediamine 0.0027 g 2-Butoxyethanol 8 g Carboxymethylcellulose 2 g Ammonium lauryl-sulphate 5 g Ammonium acetate 1 g Propylene glycol 8 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2 g Thioglycolic acid 0.4 g Ammonia solution (220B strength) 5 g Water q.s.p. 100 g The pH of the composition is equal to 10.1.
50 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 30 minutes at 280C to hair which has been bleached white beforehand, this mixture imparts to the hair, after rinsing and shampooing, a bluish light silver coloration.
EXAMPLE 5 The following dyeing composition is prepared: Compound of Example 2 0.542 g Para-aminophenol 0.218 g Acrylic acid polymer having a molecular weight of 2 to 3 million, sold under the name "CARBOPOL 934" by "GOODRICH CHEMICAL CO" 1.5 g Ethanol 11 g 2-Butoxyethanol 5 g Trimethylcetylammonium bromide 1 g Ethylenediaminetetraacetic acid sold under the name "TRILON B" 0.1 g Ammonium solution (220B strength) 10 g Thioglycolic acid 0.2 g Water q.s.p. 100 g The pH of the composition is equal to 10.2.
80 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied to 90% naturally white hair for 25 minutes at 280C, this mixture imparts to the hair, after rinsing and shampooing, a dark red coloration.
EXAMPLE 6 The following dyeing composition is prepared: Compound of Example 1 1.42 g Para-aminophenol 0.55 g 2-Butoxyethanol 8 g Propylene glycol 8 g Carboxymethylcellulose 2 g Ammonium lauryl-suiphate 5 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2 g Thioglycolic acid 0.4 g Ammonium solution (220B strength) 10 g Water Q.S.P. 100 g The pH of the composition is equal to 10.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied to 90% naturally white hair for 30 minutes at 250C, this mixture imparts to the hair, after rinsing and shampooing, a coppery-red coloration.
EXAMPLE 7 The following dyeing composition is prepared: Compound of Example 2 0.271 g 4-[N-(p-Methoxyethyl)-amino]-aniline dihydrochloride 0.239 g Oxyethyleneated nonylphenol containing four mols of ethylene oxide, sold under the name "CEMULSOL NP4" by "RHONE POULENC" 12 g Oxyethyleneated nonylphenol containing nine mols of ethylene oxide, sold under the name "CEMULSOL NP9" by "RHONE POULENC" 15 g Oxyethyleneated nonylphenol containing nine mols of ethylene oxide, sold under the name "CEMULSOL NP9" by "RHONE POULENC" 15 g Oxyethyleneated oleyl alcohol containing two mols of ethylene oxide 1.5 g Oxyethyleneated oleyl alcohol containing four mols of ethylene oxide 1.5 g Propylene glycol 6 9 Ethylenediaminetetraacetic acid sold under the name "TRILON B" 0.12 g Ammonia solution (220B strength) 11 g Thioglycolic acid 0.6 g Water q.s.p. 100 g The pH of the composition is equal to 10.4.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied to 90% naturally white hair for 20 minutes at 250C, this mixture imparts to the hair, after rinsing and shampooing, a pure blue coloration.
EXAMPLE 8 The following dyeing composition is prepared: Compound of Example 1 0.285 g 2,6-Dimethyl-para-phenylenediamine dihydrochloride 0.209 g Oxyethyleneated oleyl alcohol containing two mols of ethylene oxide 4.5 g Oxyethyleneated oleyl alcohol containing four mols of ethylene oxide 4.5 g Oxyethyleneated oleylamine containing twelve mols of ethylene oxide, sold under the name "ETHOMEEN TO12,, by "ARMOUR HESS" 4.5 g Diethanolamides of copra fatty acids 9 g Propylene glycol 4 g 2-Butoxyethanol 8 g Ethanol (960 strength) 6 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2 g Hydroquinone 0.15 g Sodium bisulphite solution (350B strength) 1.3 g Ammonia solution (220B strength) 5 g Water q.s.p. 100 g The pH of the composition is equal to 10.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 30 minutes at 280C to hair which has been bleached white beforehand, this mixture imparts to the hair, after rinsing and shampooing, a slightly purple, intense blue coloration.
EXAMPLE 9 The following dyeing composition is prepared Compound of Example 1 0.012 g Para-phenyienediamine 0.108 g 2,6-Dimethyl-para-phenylenediamine dihydrochloride 0.0502 g Para-aminophenol 0.155 g 2-Methylresorcinol 0.19 g Meta-aminophenol 0.12 g 1-Phenyl-3-methylpyrazol-5-one 0.09 g 3-(N-Methylamino)-4-nitrophenoxyethanol 0.2 g Oxyethyleneated nonylphenol containing four mols of ethylene oxide, sold under the name "CEMULSOL NP4" by "RHONE POULENC" 12 9 Oxyethyleneated nonylphenol containing nine mols of ethylene oxide, sold under the name "CEMULSOL NP9" by "RHONE POULENC" 1 5 g Oxyethyleneated oleyl alcohol containing two mols of ethylene oxide 1.5 g Oxyethyleneated oleyl alcohol containing four mols of ethylene oxide 1.5 g Propylene glycol 6 g Ethylenediaminetetraacetic acid sold under the name "TRILON B" 0.12 g Ammonia solution (220B strength). 11 g Mercaptosuccinic acid 0.2 g Water q.s.p. 100 g The pH of the composition is equal to 10.4.
75 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 25 minutes at 300C to hair which has been bleached white beforehand, this mixture imparts to the hair, after rinsing and shampooing, a golden sandy coloration.
EXAMPLE 10 The following dyeing composition is prepared: Compound of Example 2 0.065 g Para-phenylenediamine 0.2 g Para-aminophenol 0,4 g N-Methyl-para-aminophenol sulphate 0.31 g 2-Methylresorcinol 0.3 g Meta-aminophenol 0.405 g 2-Methyl-5-[N-(p-hydroxyethyl)-amino]-phenol 0.08 g 3-(N-Methylamino)-4-nitrophenoxy-ethanol 0.5 g Oxyethyleneated oleyl alcohol containing two mols of ethylene oxide 4.5 g Oxyethyleneated oleyl alcohol containing four mols of ethylene oxide 4.5 g Oxyethyleneated oleylamine containing two mols of ethylene oxide, sold under the name "ETHOMEEN TO12,, by "ARMOUR HESS" 4.5 g Diethanolamides of copra fatty acids 9 g Propylene glycol 4 g 2-Butoxyethanol 8 g Ethanol (960 strength) 6 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2 g Hydroquinone 0.15 g Sodium bisulphite solution (350B strength) 1.3 g Ammonia solution (220B strength) 8 g Water q.s.p. 100 g The pH of the composition is equal to 10.5.
80 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 35 minutes at 300C to hair which has been bleached straw blond beforehand, this mixture imparts to the hair, after rinsing and shampooing, a medium chestnut coloration with a coppery sheen.
EXAMPLE 11 The following dyeing composition is prepared: Compound of Example 1 0.52 g Para-phenylenediamine 0.6 g Para-aminophenol 0.8 g 4-IN,N-Di-(P-hydroxyethyl)-amino]-anilin dihydrochloride 1 g Meta-aminophenol 0.5 g Resorcinol 1.54 g 3-Nitro-4-aminophenol 0.6 g Oxyethyleneated oleyl alcohol containing two mols of ethylene oxide 4.5 g Oxyethyleneated oleyl alcohol containing four mols of ethylene oxide 4.5 g Oxyethyleneated oleylamine containing twelve mols of ethylene oxide, sold under the name "ETHOMEEN TO12,, by "ARMOUR PRESS" 4.5 g Diethanolamine of copra fatty acids 9 g Propylene glycol 4 g 2-Butoxyethanol 8 g Ethanol (960 strength) 6 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2 g Thioglycolic acid 0.5 g Ammonia solution (220B strength) 10 g Water q.s.p. 100 g The pH of the composition is equal to 10.3.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 30 minutes at 280C to hair which has been bleached deep blond, this mixture imparts to the hair, after rinsing and shampooing, a brown coloration.
EXAMPLE 12 The following dyeing composition is prepared: Compound of Example 2 0.04 g Para-phenylenediamine 0.955 g Ortho-aminophenol 0.375 g Resorcinol 0.09 g Meta-aminophenol 0.155 g 2-Methyl-5-[N-(,e-hydroxyethyl)-amino]-phenol 1.12 g Cetyl/stearyl alcohol sold under the name "ALFOLC16/18 E" by !'CONDEA" 19 g 2-Octyidodecanol sold under the name "EUTANOL G" by "HENKEL" 4.5 g Cetyl/stearyl alcohol containing fifteen mols of ethylene oxide, sold under the name "MERGITAL CS 1 5/E" by "HENKEL" 2.5 g Ammonium lauryl-sulphate containing 30% of active ingredient 12 g Polymer based on repeat units of the formula
4 9 Benzyl alcohol 2 g Ammonia solution (220B strength) 11 g Ethylenediaminetetraacetic acid sold under the name "TRILON B" 1 g Sodium bisulphite solution (d = 1.3) 1.2 g Water q.s.p. 100 g The pH of the composition is equal to 10.2.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 20 minutes at 25"C to hair which has been bleached straw yellow, this mixture imparts to the hair, after rinsing and shampooing, a purple-black coloration.
EXAMPLE 13 The following dyeing composition is prepared: Compound of Example 1 0.1 g Para-phenylenediamine 0.31 g Para-aminophenol 0.4 g 4-(N-Methylamino)-phenyl sulphate 0.4 g Resorcinol 0.5 g Meta-aminophenol 0.3 9 2-Methyl-5-[N-(p-hydroxyethyl)-aminoJ-phenol 0.41 g 2-lsopropyl-6-nitroaniline 0.81 g Cetyl/stearyl alcohol sold under the name "ALFOL Cm 6/18 E" by "CONDEA" 8 g Sodium cetyl-/stearyl-sulphate sold under the name "LANETTE WAX E" byHENKEL" 0.5 9 Oxyethyleneated castor oil sold under the name "CEMULSOL B" by "RHONE POULENC" 1 g Oleyl diethanolamide 1.5 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name 'MASQUOL DTPA" 2.5 9 Thioglycolic acid 0.5 g Hydroquinone 0.15 9 Ammonia solution (220B strength) 11 9 Water q.s.p. 100 g The pH of the composition is equal to 10.4.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 30 minutes at 300C to hair which has been bleached white, this mixture imparts to the hair, after rinsing and shampooing, a coppery medium chestnut coloration.
EXAMPLE 14 The following dyeing composition is prepared: Compound of Example 1 0.0143 g 4-[N-(P-Methoxyethyl)-amino]-aniline dihydrochloride 0.0120 g Acrylic acid polymer having a molecular weight of 2 to 3 million, sold under the name "CARBOPOL 934" by "GOODRICH CHEMICAL CO" 1.5 g Ethanol (960 strength) 11 g 2-Butoxyethanol 5 g Trimethylcetylammonium bromide 1 g Ethylenediaminetetraacetic acid sold under the name "TRILON B" 0.1 g Ammonia solution (220B strength) 10 g Thioglycolic acid 0.2 g Water q.s.p. 100 g The pH of the composition is equal to 10.2.
20 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 30 minutes at 300C to hair which has been bleached white, this mixture imparts to the hair, after rinsing and shampooing, a silvery light turquoise-blue coloration.
EXAMPLE 15 The following dyeing composition is prepared: Compound of Example 1 0.055 g Para-phenylenediamine 0.058 g Para-aminophenol 0.5 g Resorcinol 0.4 g Meta-aminophenol 0.103 g 2-Methyl-5-N-(-hydroxyethyl)-amino}-phenol 0.05 g 3-Nitro-4-(N-methylamino)-N,N-di-(,B-hydroxyethyl)-aniline 0.31 g Oxyethyleneated nonylphenol containing four mols of ethylene oxide, sold under the name "REMCOPAL 334" by "GERLAND" 12 g Oxyethyleneated nonylphenol containing nine mols of ethylene oxide, sold under the name "REMCOPAL 349" by "GERLAND" 15 g Oxyethyleneated oleyl alcohol containing two mols of ethylene oxide 1.5 g Oxyethyleneated oleyl alcohol containing four mols of ethylene oxide 1.5 g Propylene glycol 6 g Sodium bisulphite solution (350B strength) 1.2 g Ethylenediaminetetraacetic acid sold under the name "TRILON B" 0.12 g Triethanolamine pH 8.5 Water q.s.p. 100 g 70 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 25 minutes at 280C to hair which has been bleached white, this mixture imparts to the hair, after rinsing and shampooing, a hazel coloration.
EXAMPLE 1 6 The following dyeing composition is prepared: Compound of Example 1 1.3 g Para-phenylenediamine 1.81 g Para-aminophenol 0.8 g 2,4-Diaminophenoxy-ethanol dihydrochloride 0.2 g 2-Methyl-5-[N-(P-hydroxyethyl )-a mino]-phenol 0.803 g Rescorcinol 0.81 g Meta-aminophenol 0.9 g Oxyethyleneated nonyiphenol containing four mo!s of ethylene oxide, sold under the name "CEMULSOL NP4" by "RHONE POULENC" 21 g Oxyethyleneated nonylphenol containing nine mols of ethylene oxide, sold under the name "CEMULSOL NP9" by "RHONE POULENC" 24 g Oleic acid 4 g 2-Butoxyethanol 3 g Ethanol (960 strength) 10 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2.5 g Thioglycolic acid 0.6 g Ammonia solution (220B strength) 10 g Water q.s.p. 100 g The pH of the composition is equal to 9.5.
120 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied for 25 minutes at 280C to hair which has been bleached straw yellow, this mixture imparts to the hair, after rinsing and shampooing, a raven black coloration.
EXAMPLE 17 The following dyeing composition is prepared: Compound of Example 1 0.252 g 4-[N-(P-Methoxyethyl)-a mino]-anilinedihydroch loride 0.6 g 2,6-Dimethyl-para-phenylenediamine dihydrochloride 0.2 g Para-aminophenol 0.6 g Resorcinol 0.905 9 Meta-aminophenol 0.435 g 2-Methyl-5-[N-(P-hydroxyethyl)-a mino]-phenol 0.2 g 6-Hydroxybenzomorpholine 0.435 g 2-Methyl-4-amino-5-nitrophenol 0.703 g Oxyethyleneated nonylphenol containing four mols of ethylene oxide, sold under the name "CEMULSOL NP4" by "RHONE POULENC" 12 g Oxyethyleneated nonylphenol containing nine mols of ethylene oxide, sold under the name "CEMULSOL NP9" by "RHONE POULENC" 1 5 g Oleyl alcohol containing two mols of ethylene oxide 1.5 g Oleyl alcohol containing four mols of ethylene oxide 1.5 g Propylene glycol 6 g Ethylenediaminetetraacetic acid sold under the name "TRILON B" 0.12 g Ammonia solution (220B strength) 11 g Thioglycolic acid 0.6 g Water q.s.p. 100 g The pH of the composition is equal to 9.9.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied to 90% naturally white hair for 30 minutes at 300C, this mixture imparts to the hair, after rinsing and shampooing, a coppery light chestnut coloration.
EXAMPLE 18 The following dyeing composition is prepared: Compound of Example 1 0.306 g Para-phenylenediamine 0.307 g 4-[N-(P-Methoxyethyl)-amino]-aniline dihydrochloride 0.15 g 2-Methylresorcinol 0.405 g 2-Methyl-5-[N-(P-hydroxyethyl)-am ino]-phenol 0.115 g 2,4-Diaminophenoxy-ethanol dihydrochloride 0.106 g 2-Amino-3-nitrophenol 0.203 g Cetyl/stearyl alcohol sold under the name "ALFOL Cm 6/18 E" by "CONDEA" 8 g Sodium cetyl-/stearyl-sulphate sold under the name "LANETTE WAX E" by "HENKEL" 0.5 g Oxyethyleneated castor oil sold under the name "CEMULSOL B" by "RHONE POULENC" 1 g Oleyl diethanolamide 1.5 g Pentasodium salt of diethylenetriaminepentaacetic acid, sold under the name "MASQUOL DTPA" 2.5 g Thioglycolic acid 0.5 g Hydroquinone 0.15 g Ammonia solution (220B strength) 11 g Water q.s.p. 100 g The pH of the composition is equal to 10.3.
90 g of hydrogen peroxide of 20 volumess strength are added at the time of use.
When applied to 90% naturally white hair for 25 minutes at 250C, this mixture imparts to the hair, after rinsing and shampooing, a charcoal grey coloration.
EXAMPLE 19 The following dyeing composition is prepared: Compound of Example 2 1.5 g Compound of Example 1 0.42 g Para-phenylenediamine 0.62 g 4-[N,N-Di-(,-hydroxyethyl)-amino]-aniline dihydrochloride 0.42 g Para-aminophenol 0.705 g Resorcinol 0.81 g 2-Methyl-5-[N-(,B-hydroxyethyl)-amino]-phenol 0.21 g 2-Amino-3-nitrophenoi 6.61 9 Cetyl/stearyl alcohol sold under the name "ALFOL C16/18 E" by "CONDEA" 8 g Sodium cetyl-/stearyl-sulphate sold under the name 'LANETTE WAX E" by "HENKEL" 0.5 g Oxyethyieneated castor oil sold under the name "CEMULSOL" by "RHONE POULENC" 1 g Oleyl diethanolamide 1.5 g Pentasodium salt of diethylenetria minepentaacetic acid, sold under the name "MASQUOL DTPA" 2.5 g Thioglycolic acid 0.5 g Hydroquinone 0.15 g Ammonia solution (220B strength) 11 g Water q.s.p. 100 g The pH of the composition is equal to 10.1.
100 g of hydrogen peroxide of 20 volumes strength are added at the time of use.
When applied to 90% naturally white hair for 20 minutes at 280C, this mixture imparts to the hair, after rinsing and shampooing, a very dark brown coloration.

Claims (40)

1. A compound of the general formula:
in which formula Z represents either a polyhydroxyalkyl radical in which the alkyl group contains from 3 to 6 carbon atoms, the said radical containing 2 or 3 hydroxyl groups, or an alkyl radical containing at least one chain hetero-atom and at least one hydroxyl group, the said alkyl radical containing from 4 to 8 carbon atoms, or an acid salt thereof.
2. A compound according to claim 1 in which Z represents an alkyl radical containing at least one chain hetero-atom, said hetero-atom or atoms being oxygen:
3. A compound according to claim 1 in which Z represents a p '-hydroxyethoxy)-ethyl radical.
4. A compound according to claim 1 in which Z represents a ,y-dihydrnxyprnpyl radical.
5. A compound according to any one of claims 1 to 4 in the form of a hydrpchloride.
6. Process for the preparation of a compound as claimed in any one of claimss 1 to 5 which comprises reacting a halogen derivative of the formula X-Z, X being a halogen and Z being as defined in claim 1 with an alkali metal salt of 2-acetylamino-4-nitrophenol so as to condense the radical Z onto the nucleus, reducing the nitro group of the product obtained and then deacetylating the resulting product.
7. Process according to claim 6 in which X is chlorine and the alkali metal salt is a potassium salt.
8. Process according to claim 6 or 7 in which the reduction of the nitro group is carried out in alcoholic solution, under reflux, using zinc powder in the presence of ammonium chloride.
9. Process according to claim 6 substantially as described in Example 1 or 2.
10. A compound as defined in claim 1 whenever prepared by a process as claimed in any one of claims 6 to 9.
1 A composition suitable for dyeig keratin fibres which contains at least one oxidation base, in a cosmetically acceptable carrier, and, as a coupler, at least one compound of formula (I) or acid salt thereof as claimed in any one of claims 1 to 5, in an acceptable carrier.
12. A composition according to claim 11 suitable for dyeing human hair.
13. A composition according to claim 11 or 12 in which the compound of formula (I) is present in an amount from 0.001 to 2.5% by weight, relative to the total weight of the composition.
14. A composition according to any one of claims 11 to 13 whicn contains, as the oxidation base, at least one para-phenylenediamine of the general formula
or an acid salt thereof, in which formula R1, R2 and R3 are identical or different and represent a hydrogen atom, an alkyl radical having from 1 to 4 carbon atoms or an alkoxy having 1 or 3 carbon atoms, and R4 and R5 are identical or different and represent a hydrogen atom, an alkyl or hydroxyalkyl radical, an alkoxyalkyl radical in which the alkoxy group contains 1 or 2 carbon atoms, or a carbamylalkyl, mesyiaminoalkyl, acetylaminoalkyl, ureidoalkyl, carbethoxyaminoalkyl, aminoalkyl, monoalkylaminoalkyl, dialkylaminoalkyl, piperidinoalkyl or morpholinoalkyl radical, the alkyl groups in R4 and R5 having from 1 to 4 carbon atoms, or alternatively R4 and R5 form a piperidino or morpholino group together and with the nitrogen atom to which they are attached, with the proviso that R, and R3 represent a hydrogen atom if R4 and R5 do not represent a hydrogen atom.
1 5. A composition according to any one of claims 11 to 14 which contains, as the oxidation base, at least one para-aminophenol of the general formula (it1):
or an acid salt thereof in which formula R6 represents a hydrogen atom, an alkyl radical containing from 1 to 4 carbon atoms or a halogen atom.
1 6. A composition according to any one of claims 11 to 1 5 which contains at least one heterocyclic base as the oxidation base.
17. A composition according to claim 1 6 which contains, as the oxidation base, at least one of 2,5-diaminopyridine, 3-methyl-7-aminobenzomorpholine and 5-aminoindole.
1 8. A composition according to any one of claims 11 to 1 7 which contains at least one coupler which is resorcinol, 2-methyl-resorcinol, meta-aminophenol, 2-methyl-5-aminophenol, 2-methyl-5-[N- (p-hydroxyethyl)-amino]-phenol,6-hydroxybenzomorpholine,2,6-dimethyl-3-acetylaminophenol,2- methyl-5-carbethoxyaminophenol, 2-methoxy-5-carbethoxyaminophenol, 2-methyl-5-ureidophenol or 1 -phenyl-3-methylpyrazol-5-one.
1 9. A composition according to any one of claims 11 to 1 8 which contains ortho-diphenol or at least one ortho-phenylenediamine or at least one orthoaminophenol, which is optionally substituted on the nucleus or on the amine group.
20. A composition according to any one of claims 11 to 1 9 which contains at least one dyestuff precursor of the benzene series, containing, on the nucieus, at least three substituents which are hydroxyl, methoxy or amino groups.
21. A composition according to any one of claims 11 to 20 which contains at least one dyestuff precursor of the naphthalene series.
22. A composition according to any one of claims 11 to 21 which contains at least one leucoderivative of indoaniline, of indophenol or of indamine.
23. A composition according to any one of claims 11 to 22*which contains at least one direct dyestuff.
24. A composition according to any one of claims 11 to 23 which has a pH from 8 to 11.5.
25. A composition according to claim 24 which contains, as alkalising agent, at least one of ammonia, an alkylamine, alkanolamine, alkylalkanolamine, sodium hydroxide or potassium hydroxide or an alkali metal carbonate.
26. A composition according to claim 24 which contains at least one acidifying agent which is lactic acid, acetic acid, tartaric acid or phosphoric acid.
27. A composition according to any one of claims 11 to 26 which contains water and at least one surface-active agent, organic solvent, thickening product, antioxidant, penetrating agent, foaming agent, sequestering agent, film-forming product, treating agent or perfume.
28. A composition according to claim 27 which contains at least one surface-active agent which is an alkylbenzenesulphonate, alkylnaphthalenesulphonate, sulphate, ether-sulphate or sulphonate of a fatty alcohol, a quaternary ammonium salt, fatty acid diethanolamine, polyoxyethyleneated or polyglycerolated acid or alcohol or a polyoxyethyleneated or polyglycerolated alkylphenol.
29. A composition according to claim 27 or 28 which contains from 0.5 to 55% by weight of surface-active agent, relative to the total weight of the composition.
30. A composition according to claim 27 which contains at least one organic solvent which is ethanol, isopropanol, glycerol, a glycol or an ether thereof or diethylene glycol or an ether thereof.
31. A composition according to any one of claims 27 to 30 which contains from 1 to 40% by weight of organic solvent(s), relative to the total weight of the composition.
32. A composition according to any one of claims 27 to 31 which contains at least one thickening product which is sodium alginate, gum arabic, a cellulose derivative, an acrylic acid polymer or bentonite.
33. A composition according to any one of claims 27 to 32 which contains 0.5 to 5% by weight of thickener(s), relative to the total weight of the composition.
34. A composition according to any one of claims 27 to 33 which contains at least one antioxidant which is sodium sulphite, thioglycolic acid, mercaptosuccinic acid, sodium bisulphite, ascorbic acid, or hydroquinone.
35. A composition according to any one of claims 27 to 34 which contains 0.05 to 1.5% of antioxidant(s), relative to the total weight of the composition.
36. A composition according to claim 11 substantially as described in any one of Examples 3 to 19.
37. A process for dyeing hair which comprises mixing a composition as claimed in any one of claims 11 to 36 with an oxidising agent, applying the mixture to the hair, and allowing it to remain on the hair for 5 to 45 minutes, rinsing the hair, optionally shampooing and rinsing it again, and drying the hair.
38. A process according to claim 37 in which the oxidising agent is hydrogen peroxide, urea peroxide or a per-salt.
39. A process according to claim 37 or 38 in which the composition is in the form of a liquid, a cream, a gel or an aerosol.
40. A process according to claim 37 substantially as hereinbefore described.
GB8120127A 1980-07-01 1981-06-30 Meta-phenylenediamine dye couplers Expired GB2078747B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547300A1 (en) * 1983-06-13 1984-12-14 Oreal NOVEL SUBSTITUTED METAAMINOPHENOLS, PROCESS FOR THEIR PREPARATION, TINCTORIAL COMPOSITIONS FOR HAIR CONTAINING THEM AND CORRESPONDING HAIR DYEING METHOD
US4863481A (en) * 1982-01-05 1989-09-05 L'oreal Dyeing compositions based on oxidation dyestuff precursors and on n-substituted ortho-nitroanilines and comprising an alkanolamine and bisulphite, and their use in the dyeing of keratin fibres
FR2715296A1 (en) * 1994-01-24 1995-07-28 Oreal Keratin fiber oxidation dyeing composition comprising a paraphenylenediamine, a metalphenylenediamine and a para-aminophenol or a meta-aminophenol, and dyeing process using such a composition.
EP0684035A1 (en) * 1994-05-26 1995-11-29 L'oreal Keratineous fibres oxidation dyeing composition containing a derivative of paraphenylenediamine and a 6-hydroxy 1,4-benzoxazine
US5690696A (en) * 1995-01-19 1997-11-25 L'oreal Combinations of two para-phenylenediamine oxidation bases and a meta-phenylenediamine coupler for the oxidation dyeing of keratinous fibers
WO1999065865A1 (en) * 1998-06-13 1999-12-23 Hans Schwarzkopf Gmbh & Co. Kg Novel 3,4-diaminophenol derivatives and their use

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0825858B2 (en) * 1991-06-04 1996-03-13 ホーユー株式会社 Hair dye composition
FR2707487B1 (en) 1993-07-13 1995-09-08 Oreal A keratin fiber oxidation dye composition comprising a para-aminophenol, a meta-aminophenol and a metaphenylenediamine, and a dyeing process using such a composition.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1670969A (en) * 1926-12-13 1928-05-22 Firm Chemical Works Formerly S 2-amino-4-nitrophenoxypropandiol and process of producing same
FR2362116A1 (en) * 1976-08-20 1978-03-17 Oreal METAPHENYLENEDIAMINES AND TINCTORIAL COMPOSITIONS CONTAINING THEM

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863481A (en) * 1982-01-05 1989-09-05 L'oreal Dyeing compositions based on oxidation dyestuff precursors and on n-substituted ortho-nitroanilines and comprising an alkanolamine and bisulphite, and their use in the dyeing of keratin fibres
FR2547300A1 (en) * 1983-06-13 1984-12-14 Oreal NOVEL SUBSTITUTED METAAMINOPHENOLS, PROCESS FOR THEIR PREPARATION, TINCTORIAL COMPOSITIONS FOR HAIR CONTAINING THEM AND CORRESPONDING HAIR DYEING METHOD
US4863480A (en) * 1983-06-13 1989-09-05 The French Joint Stock Company "L'oreal" Substituted metaaminophenols, a process for their preparation, hair dyeing compositions containing them and a hair-dyeing process
US5863300A (en) * 1994-01-24 1999-01-26 L'oreal Composition for the oxidation dyeing of keratinous fibres comprising a para-phenylenediamine, a meta-phenylenediamine and a para-aminophenol or a meta-aminophenol, and dyeing process
EP0667143A1 (en) * 1994-01-24 1995-08-16 L'oreal Keratinous fiber oxidation dyeing composition containing a paraphenylenediamine, a metaphenylenediamine and a paraaminophenol or a metaaminophenol
FR2715296A1 (en) * 1994-01-24 1995-07-28 Oreal Keratin fiber oxidation dyeing composition comprising a paraphenylenediamine, a metalphenylenediamine and a para-aminophenol or a meta-aminophenol, and dyeing process using such a composition.
US6022382A (en) * 1994-01-24 2000-02-08 L'oreal Processes and kits for dyeing keratinous fibers with a para-phenylenediamine containing a primary, secondary or tertiary amine function, a meta-phenylenediamine, and a para-aminophenol or a meta-aminophenol
CN1060036C (en) * 1994-01-24 2001-01-03 莱雅公司 Composition forthe oxidation dyeingof keratinous fiberes comprising a para-phenylenediamine containinga primary, secondary or tertiary amine function, a meta-phenylenediamine and a para-aminopheno....
EP0684035A1 (en) * 1994-05-26 1995-11-29 L'oreal Keratineous fibres oxidation dyeing composition containing a derivative of paraphenylenediamine and a 6-hydroxy 1,4-benzoxazine
FR2720275A1 (en) * 1994-05-26 1995-12-01 Oreal An oxidation dyeing composition of keratinous fibers comprising a paraphenylenediamine derivative and a 6-hydroxy 1,4-benzoxazine, and a dyeing method using such a composition.
US5690695A (en) * 1994-05-26 1997-11-25 L'oreal Composition for the oxidation dyeing of keratinous fibres, comprising a para-phenylenediamine derivative and a 6-hydroxy-1, 4-benzomorpholine and dyeing process using such a composition
US5868800A (en) * 1994-05-26 1999-02-09 L'oreal Composition for the oxidation dyeing of keratinous fibres, comprising a para-phenylenediamine derivative and a 6-hydroxy-1, 4-benzomorpholine and dyeing process using such a composition
US5690696A (en) * 1995-01-19 1997-11-25 L'oreal Combinations of two para-phenylenediamine oxidation bases and a meta-phenylenediamine coupler for the oxidation dyeing of keratinous fibers
WO1999065865A1 (en) * 1998-06-13 1999-12-23 Hans Schwarzkopf Gmbh & Co. Kg Novel 3,4-diaminophenol derivatives and their use

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ES8205393A1 (en) 1982-06-01
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FR2486075A1 (en) 1982-01-08
JPS5744669A (en) 1982-03-13
AU7236381A (en) 1982-09-16
AU543206B2 (en) 1985-04-04
FR2486075B1 (en) 1983-03-11
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AR227050A1 (en) 1982-09-15
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