Matches 301 - 350 out of 356 < 1 2 3 4 5 6 7 8 >
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4784667 Oxidation hair dyes comprising diamino-substituted pyridines and amino-substituted aromatics as precursors  
This invention is directed to oxidation hair dye compositions and their use in the dyeing of human hair. The compositions consist essentially of precursors comprising...
4776857 Use of hydroxylated indoles as dye precursors  
The invention concerns a new system to dye hair and/or skin. The system comprises the use of a hydroxyindole dye precursor and sodium periodate. Advantageously, this dye system allows the dye to...
4756715 Hair-dyeing preparations containing substantive nitrodiphenylamine derivatives  
Novel substituted nitrodiphenylamines and substantive hair dye preparations containing them or containing nitrodiphenylamines with different substituents. The dyes result in yellow to...
4745652 New tetra-aminopyrimidine derivatives and their use in hair-dyeing preparations  
New 2,4,5,6-tetra-aminopyrimidine derivatives corresponding to the following general formula ##STR1## in which R 1 is a group of the formula --NH--(CH 2 ) n --NH--, where n=2-4, a group of the...
4713080 Method and composition for the dyeing of hair with 2,6-diamino-pyridine derivatives  
A method and composition are disclosed for the oxidative coloration of hair, based upon a developer substance-coupler substance combination, employing as coupler substance at least one...
4661115 Hair dyeing agents  
New coupling or shading (nuance) components are described which in combination with pertinent developers are used for dyeing of hair. These coupling components are dinitropyridine derivatives of...
4661114 3-Amino-5-hydroxypyridine derivatives and hair coloring compositions containing the same  
New 3-amino-5-hydroxypyridine derivatives are disclosed, of the formula I ##STR1## wherein R 1 and R 2 are independently CH 3 , C 2 H 5 or C 2 H 4 OH, and its physiologically compatible...
4600776 Cationic enamine dyestuff indolylmethine derivatives  
Cationic enamine dyestuffs of the general formula ##STR1## in which the symbols have the meaning given in the description, are used for dyeing natural and synthetic substrates and compositions...
4575377 Oxidation hair dyes comprising resorcinol derivatives as coupling components  
This invention is directed to compositions of the developer-coupler type of the dyeing of hair consisting essentially of resorcinol derivatives or salts thereof as coupling components and, as...
4566875 Two-stage process for dyeing keratin fibres and composition for use therein  
A two-stage process for dyeing keratin fibres, especially human hair, which comprises applying a first composition containing at least one mercaptan present in a concentration insufficient to...
4552565 Hair dyes: diresorcyl sulphide, sulphoxide or sulphone coupling agents  
Hair dyes containing oxidation dye precursors in a cosmetic carrier contain as coupler substances compounds corresponding to formula I ##STR1## in which Z is a sulfur atom, an >SO group or an...
4532127 Composition for lightening or coloring hair containing an oxidizing agent and certain quaternary amines  
A composition for lightening or coloring hair comprising a liquid vehicle, an oxidizing agent and at least one di-long chain aliphatic hydrocarbon quaternary amine compound and a method for...
4494953 2,4-Dihydroxydiphenylamines and hair dyeing compositions and method  
This invention pertains to compounds suitable for dyeing keratin fibers, especially human hair. The compounds have the formula: ##STR1## or an acid addition salt thereof, in which formula R 1 and...
4487607 Oxidation hair dyes containing 5-halo-2,3-pyridine-diols as coupler components  
The present invention is directed to oxidation hair dyes of the developer-coupler type where the coupler component is a 5-halo-2,3-pyridine-diol and the developer component is selected from...
4473375 Composition and method for the coloring of hair  
A composition and method for the oxidative coloring of hair are disclosed, on the basis of a developer substance-coupler substance combination, whereby as coupler substance at least one...
4452603 Process for dyeing hair and composition therefor  
The object of the invention is a composition and a process for the oxidative dyeing of hair on the basis of a 1-(3-hydroxyalkyl)-2,4-diaminobenzene as coupler substance.
4420637 Meta-phenylenediamines  
New-meta-phenylenediamines are described for use in dyeing keratin fibres, especially human hair. These have the general formula: ##STR1## in which R represents an alkyl radical containing from 1...
4402700 Composition for coloring hair containing an oxidizing agent and certain quaternary amines  
A composition for lightening or coloring hair comprising a liquid vehicle, an oxidizing agent and at least one di-long chain aliphatic hydrocarbon quaternary amine compound and a method for...
4395262 Hair dyeing agent  
Agents for the oxidative dyeing of hair, containing as coupling substance at least one derivative of 1,2-methylene dioxybenzene of the general formula ##STR1## in which R signifies an OH--, NH 2 ...
4333730 Meta-phenylenediamines, dyeing compositions in which they are present and the corresponding dyeing process  
Novel meta-phenylenediamines are provided for use as couplers with dye bases in hair dye compositions. These meta-phenylenediamines have the formula: ##STR1## in which n is 2, 3 or 4. Their acid...
4330292 Dyeing compositions for keratin fibres containing meta-phenylenediamines  
The invention resides in the use of the compounds having the formula given below, or an acid salt thereof, as couplers in dyeing compositions for keratin fibres which contain an oxidation base:...
4325704 Hair dyes  
This invention is directed to a composition of the developer-coupler type for the dyeing of hair, consisting essentially of, as coupler, at least on N-benzyl-m-phenylenediamine derivative of...
4324553 Hair dyeing compositions containing at least one 2,4-diamino-alkylbenzene as coupler  
The invention provides as a coupling component for an oxidation hair dye composition a meta-diaminoalkylbenzene or a salt thereof, the alkyl substituent being n-propyl, iso-propyl or n-butyl.
4323360 Dyeing compositions for hair which contain 2,4-diamino-butoxybenzene and/or a salt thereof as the coupling agent  
An oxidation hair dye composition is provided which comprises, as coupling agent, 2,4-diamino-butoxybenzene or a salt thereof.
4322212 Oxidation hair dyes comprising substituted benzotriazoles  
This invention is directed to compositions of the developer-coupler type for the dyeing of hair, consisting essentially of substituted benzotriazoles as coupling components and, as developer...
4279613 Method and composition for hair coloring  
A hair coloring composition, and a method for using the composition, are described, in which as coupler substance, in addition to customary couplers if desired, a compound of the formula ##STR1##...
4208183 Process for improving the storage stability of indole dyestuffs  
The invention relates to storage-stable dyestuff solutions which can be mixed at the time of use with appropriate carriers. These solutions comprise at least one dihydroxyindole of the formula:...
4200432 Dye composition containing oxidation dye and diphenylamine  
A hair dye composition comprising at least one oxidation dye and at least one diphenylamine of the formula ##STR1## wherein R 1 and R 4 each independently represent hydrogen, halogen, lower alkyl...
4151162 Diazomerocyanines and mesomeric forms thereof  
Dyes for application to hair to impart rich color nuances thereto, include diazamerocyanines, the mesomeric forms thereof and the salts thereof, of the formula AN--NB", wherein A is...
4129414 Oxidation hair colorants containing water-soluble polyhalogen 3-aminophenols as couplers  
Oxidizable developer-coupler combinations wherein the coupler is a water-soluble polyhalogen 3-aminophenol are stable in the absence of free oxygen and chemical oxidizing agents. They provide hair...
4046503 Developer-coupler hair dyes based on alkoxy-triamino-pyrimidines  
Water-soluble substituted and unsubstituted triamino C 1 -4 -alkoxy pyrimidines are effective dyes for hair when oxidized in conjunction with a coupling agent. The oxidation can be performed at...
3961879 Dye composition for keratinic fibers containing a phenol coupler  
A dye composition for keratinic fibers comprising in combination A. at least one oxidation base comprising a paraphenylenediamine, present in the form of a free base, or in the form of an acid...
3948596 Oxidation dye for keratinic fibers containing 2-halo-5-acetaminophenol as a coupler  
A dye composition for keratinic fibers comprising in combination: A. at least one oxidation base selected from the group consisting of an aromatic or heterocyclic compound carrying either two...
3918896 Dye composition for keratinic fibers containing an oxidation base and a meta-aminophenol coupler  
A dye composition for keratinic fibers comprising in combination A. at least one oxidation base selected from the group consisting of an aromatic or heterocyclic compound carrying either two amino...
3909190 Hair dyeing process and composition containing α-cyano-methanesulfonamido-nitrobenzene derivatives  
Hair dyeing processes and compositions containing α-cyano-methanesulfonamido-nitrobenzene compounds having the formula ##EQU1## where Y represents hydrogen, chlorine, bromine or an alkoxy having 1...
3907494 Hair dyes based on diamino-nitro-benzene compounds  
A hair dye preparation contains diamino-nitrobenzene compounds as a direct hair dye or contains diamino-nitrobenzene compounds as coupling components in combination with developing components for...
3838965 DYEING KERATINOUS FIBERS WITH AZAINDOANILINES  
Hair dye and hair setting lotion compositions containing an indoaniline having the formula ##SPC1## Wherein R 1 , R 2 , R 3 and R 4 represent hydrogen, halogen, lower alkyl having one to four...
3712158 DYEING HUMAN HAIR AND COMPOSITION FOR INCLUDING AN OXIDATION DYE AND HETEROCYCLIC COUPLER THEREOF  
A group of coupling agents, of which the following are representative: 3-dimethylamino-phenylurea, 3-dimethylamino-phenylthiourea, (3-hydroxy-6-methoxy)-phenylurea,...
3658455 DYEING HAIR WITH AQUEOUS SOLUTION OF PHENYL-TOLUYL-OR PYRIDYL AMINO BASE COMPOUND AND BENZIMIDAZOLE COUPLER  
A composition for dyeing keratinic fibers comprises a mixture of a base compound having an aromatic nucleus substituted by (1) either two amino groups or (2) by an amino group and a hydroxyl group,...
3649160 DYEING HUMAN HAIR WITH OXIDATION BASES AND AN INDOLINE COUPLER  
Keratinic fiber dye compositions comprising a para or ortho diamino or amino-hydroxy aromatic or heterocyclic oxidation dye and an indoline derivative coupling agent; and the process of dyeing...
3647351 PYRIDINE DYESTUFF INTERMEDIATES IN A HAIR DYEING COMPOSITION AND METHOD  
Hair is dyed in a natural-looking color with a composition comprising a carrier compatible with hair in which at least one of the following compounds is dispersed in an effective amount:...
3634013 AQUEOUS COUPLED HYDRAZONO HAIR-DYEING COMPOSITION AND PROCESS  
Compositions for dyeing hair comprising a coupling agent and a substituted or unsubstituted 5- or 6-member heterocyclic compound containing a hydrazono group at position 2, 3 or 4, with respect to...
3630655 DYEING HUMAN HAIR WITH OXIDATION DYES COMPRISING HETEROCYCLIC AMINO COMPOUNDS  
The novel means for dyeing human hair according to the invention are based on oxidation dyes and comprise heterocyclic amino compounds and suitable coupling components. For example, 2 parts of...
3617167 METHODS AND COMPOSITIONS CONTAINING 4-AMINOPYRAZOLONES FOR THE DYEING OF HUMAN HAIR  
In the process of dyeing the living human hair which comprises treating the hair at a temperature of from 15° C. to 40° C. with an aqueous composition for dyeing human hair comprising an...
3536436 HAIR DYEING COMPOSITION AND METHOD  
3506389 HAIR DYEING WITH COUPLERS AND A 1-AMINO-4-SUBSTITUTED-ALKYLAMINOBENZENE  
3231471 2, 6-dioxypyridine and acid addition salts thereof for dyeing human hair  
3200040 Hair dye comprising diaminopyridines  
3690810 Title is not available  
3695824 Title is not available  
Matches 301 - 350 out of 356 < 1 2 3 4 5 6 7 8 >