Abstract: Couplers responding to the formula ##STR1## in which formula R.sub.1 represents an alkyl radical having 1 to 4 carbon atoms, R.sub.2 represents a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms, and n is a number having for value 2 or 3.These couplers are particularly adapted for use in dyeing compositions containing paraphenylenediamines responding to the general formula ##STR2## or salts of the corresponding acids; formula in which R.sub.1, R.sub.2 and R.sub.3 are identical or different and represent a hydrogen atom, an alkyl radical having 1 to 2 carbon atoms or an alkoxy radical having 1 to 2 carbon atoms, R.sub.4 and R.sub.5 are identical or different and represent a hydrogen atom, an alkyl radical, hydroxyalkyl, alkoxyalkyl in which the alkoxy group comprises 1 to 2 carbon atoms, carbamylalkyl, mesylaminoalkyl, acetylaminoalkyl, ureidoaminoalkyl, carbethoxyaminoalkyl, the alkyl groups in R.sub.4 and R.sub.5 having 1 to 3 atoms of carbon, with the reservation that R.sub.1 or R.sub.

Abstract: Indoaniline of the formula ##STR1## wherein R.sub.1 represents hydrogen, halogen, alkyl or alkoxy; R.sub.2 represents alkyl, hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl) and mesylaminoalkyl;R.sub.3 represents hydroxyalkyl, carbamylalkyl, piperidonoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl), mesylaminoalkyl; or R.sub.2 and R.sub.3 together form with the nitrogen atom to which they are attached a heterocycle selected from piperidino or morpholino;R.sub.4, r.sub.5 and R.sub.6 each independently represents hydrogen, halogen, alkyl, alkoxy, acylamino, ureido or carbalkoxyamino, and R.sub.5 can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino. The alkyl and alkoxy groups above can contain from 1 to 6 carbon atoms and the acyl group can contain from 2 to 7 carbon atoms.

Abstract: Indamine having the formula ##STR1## wherein R and R' each independently represent a member selected from the group consisting of hydrogen, lower alkyl having 1-4 carbon atoms, lower alkoxy having 1-4 carbon atoms, amino, acylamino wherein the acyl moiety has 1 to 4 carbon atoms and hydroxy, with the proviso that one, but not both of R and R' is said amino, acylamino or hydroxy; R.sub.1 and R.sub.2 each independently represent a member selected from the group consisting of lower alkyl having 1-4 carbon atoms and lower alkyl having 1-4 carbon atoms and substituted with a member selected from the group consisting of hydroxy, acylamino wherein the acyl moiety has 1 to 4 carbon atoms, carbamyl, piperidino, benzoylamino and alkylsulfonamido wherein the alkyl moiety has 1 to 4 carbon atoms; R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.

Abstract: 2,5-DIAMINO-1,4-BENZOQUINONES ARE USED IN THE PRODUCTION OF HAIR DYE COMPOSITIONS AND CAN BE PREPARED BY CONDENSING A CORRESPONDING 3-AMINO-4-METHOXY PHENOL DERIVATIVE ON ONE OF A CORRESPONDING HYDROXY ANILINE OR PHENYLENEDIAMINE DERIVATIVE, A CORRESPONDING BENZOQUINONE IMINE DERIVATIVE OR A CORRESPONDING NITROSO DERIVATIVE.

Abstract: A process for producing indamine by condensing 2,6-diamino pyridine on a paraphenylene diamine or a benzoquinone diimine or a paranitroso N,N-dialkyl aniline. The resulting indamine can be incorporated into a dye composition for keratinic fibers, especially human hair.

Abstract: A dye composition for keratinic fibers comprises in an aqueous or hydroalcoholic solution at least one coupler of the formula ##STR1## wherein R is hydroxyalkyl containing 1-4 carbon atoms, and at least one oxidation base.

Abstract: Diphenylamine of the formula ##STR1## wherein R.sub.1 and R.sub.4 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, amino, lower alkyl amino, acylamino, lower carbamylalkyl amino, lower hydroxyalkyl amino, lower carbalkoxy amino and ureido;R.sub.2 and R.sub.3 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, acylamino and ureido;R.sub.5 represents a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy;R.sub.6 represents a member selected from the group consisting of lower hydroxyalkyl, lower amino alkyl, lower acylamino alkyl, lower mesylamino alkyl, lower carbamylalkyl, lower sulfoalkyl, lower piperidinoalkyl, lower morpholinoalkyl, lower mono alkyl lower amino alkyl and lower dialkyl lower amino alkyl; andR.sub.

Abstract: Indoaniline of the formula ##STR1## wherein R.sub.1 represents hydrogen, halogen, alkyl or alkoxy;R.sub.2 represents alkyl, hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl) and mesylaminoalkyl;R.sub.3 represents hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl), mesylaminoalkyl; or R.sub.2 and R.sub.3 together form with the nitrogen atom to which they are attached a heterocycle selected from piperidino or morpholino;R.sub.4, r.sub.5 and R.sub.6 each independently represents hydrogen, halogen, alkyl, alkoxy, acylamino, ureido or carbalkoxyamino, and R.sub.5 can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino. The alkyl and alkoxy groups above can contain from 1 to 6 carbon atoms and the acyl group can contain from 2 to 7 carbon atoms.

Abstract: A dye composition for keratinic fibers comprises an aqueous alcoholic solution of an indoaniline selected from (a) one having the formula ##STR1## wherein Z is selected from amino, acetylamino and hydroxy; R.sub.5, R.sub.6 and R.sub.7 each independently are selected from hydrogen, lower alkyl having 1-6 carbon atoms and lower alkoxy having 1-6 carbon atoms; R.sub.8 is selected from hydrogen, lower alkyl having 1-6 carbon atoms and together with R.sub.5 and the nitrogen atom to which R.sub.8 is attached form dihydro-paroxazine; and R.sub.9 is selected from hydrogen, lower alkyl having 1-6 carbon atoms and together with R.sub.6 and the nitrogen atom to which R.sub.9 is attached form dihydro-paroxazine, with the proviso that at least two of R.sub.5, R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are other than hydrogen when Z is NH.sub.2 and that only one of R.sub.8 and R.sub.9 form dihydro-paroxazine; (b) an acid salt of said indoaniline in (a); and (c) a double chloride of zinc and said indoaniline in (a).

Abstract: Diphenylamines of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent hydrogen, halogen or lower alkyl containing 1-4 carbon atoms with at least one of R.sub.1 and R.sub.2 being other than hydrogen; R.sub.3, R.sub.4, R.sub.5, R.sub.6, and R.sub.7 each independently represent hydrogen or lower alkyl optionally substituted with hydroxy, carbamyl, piperidinyl or acylamino; R.sub.3 and R.sub.6 or R.sub.4 and R.sub.7 also optionally forming together with the carbon and nitrogen atoms to which they are attached, a dihydrooxazine or pyrroline heterocycle; and Z represents amino, acylamino or hydroxy; and the acid salts of said diphenylamines. These diphenylamines are usefully employed in cosmetic compositions for the hair including hair dye compositions and hair setting lotion compositions.

Abstract: Oxidation dye coupling compound, for use in dyeing live human hair, having the formula: ##STR1## wherein R is lower alkyl having 1-6 carbon atoms, hydroxyalkyl having 1-6 carbon atoms, acetyl, propionyl, amino alkyl wherein the alkyl moiety has 1-6 carbon atoms, N-dialkylated amino alkyl wherein each of the alkyl moieties has 1-6 carbon atoms and carbamyl methyl.

Abstract: 2-Amino-4-hydroxy-5-chloro toluene and the hydrochloride thereof are couplers usefully employed in the production of a hair dye by reaction with an aromatic paradiamine.

Abstract: 2,5-Diamino-1,4-benzoquinones are used in hair dye compositions.

Abstract: Substituted nitrophenylene-diamine hair dye compounds.

Abstract: N,N'-diaryl alkylene diamine oxidation dye compounds that are suitable for dyeing live human hair.

Abstract: Diphenylamine of the formula ##STR1## wherein R.sub.1 and R.sub.4 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, amino, lower alkyl amino wherein the alkyl moiety has 1-6 carbon atoms, acylamino, lower carbamylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower hydroxylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower carbalkoxy amino wherein the alkoxy moiety has 1-6 carbon atoms and ureido;R.sub.2 and R.sub.3 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, acylamino and ureido;R.sub.5 and R.sub.8 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms and lower alkoxy having 1-6 carbon atoms; andR.sub.6 and R.sub.

Abstract: Dye compositions containing the oxidation dye: ##STR1## and the method of using it to dye live human hair.

Abstract: New dyestuffs are described for keratinic fibers which produce particularly luminous shades without the need for an oxidizing agent. These dyestuffs have the formula: ##STR1## or a tautomeric form thereof wherein each of R.sub.1 and R.sub.4, which may be identical or different, represents a member selected from hydrogen, halogen, alkyl having 1 to 6 carbon atoms, alkoxy having 1 to 6 carbon atoms, acylamino and ureido;Each of R.sub.2 and R.sub.3, which may be identical or different, represents a member selected from hydrogen, halogen, alkyl having 1 to 6 carbon atoms, alkoxy having 1 to 6 carbon atoms, amino, N-alkylamino, N-(hydroxyalkyl)-amino, N-(carbamyl-alkyl)-amino, acylamino and ureido, each of said alkyls containing 1 to 6 carbon atoms;Each of R.sub.5 and R.sub.6, which may be identical or different, represents a member selected from hydrogen, halogen, alkyl containing 1 to 6 carbon atoms and alkoxy containing 1 to 6 carbon atoms, with the proviso that when R.sub.5 and R.sub.

Abstract: Diphenylamine of the formula: ##STR1## wherein R.sub.1 and R.sub.4 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, amino, N-lower alkyl amino wherein the alkyl moiety has 1-6 carbon atoms, N-lower hydroxy alkyl amino wherein the alkyl moiety has 1-6 carbon atoms, N-lower carbamylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, acylamino, wherein the acyl moiety has 2-7 carbon atoms, ureido and carbalkoxyamino wherein the alkoxy moiety has 1-6 carbon atoms;R.sub.2 and R.sub.3 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, acylamino wherein the acyl moiety has 2-7 carbon atoms and ureido;R.sub.5 and R.sub.

Abstract: The compound (2'-hydroxyethyl)-1-amino-2-nitro-(2'-hydroxyethyl)-4-methylamino benzene which can be used to dye live human hair.