Abstract: 1,2-Naphthaloperinone dyestuffs of the formula (I) ##STR1## wherein Z denotes the radical for completion of a 1,2-naphthylene system and X, Y, n and m have the meaning given in the description, are prepared by condensation of substituted or unsubstituted naphthalene-1,2-dicarboxylic acids with substituted or unsubstituted naphthalene-1,8-diamines.The dyestuffs according to the invention have very good fastness properties and are employed in processes for bulk dyeing of plastics, preferably of vinyl polymers and polyesters.

Abstract: A method for dyeing fibrous material is provided. The method includes contacting a fibrous material with a dyebath comprising a mixture of a dye assistant and a dye soluble or dispersed with dye assistant in the dyebath. The dye assistant comprises a salt of a low molecular weight aromatic sulfonic acid, and can include a low molecular weight surfactant. The dye assistant of the present invention can be advantageously utilized for dyeing difficult to dye fibers such as aromatic polyamide fibers, polybenzimidazole fibers and aromatic polyimide fibers.

Abstract: Ink jet ink compositions which comprise an aqueous carrier medium; a cationic dye; and a cationic polymer have excellent crusting behavior and kogation property and may be used with a variety of ink jet printers such as continuous, piezoelectric, drop-on-demand and thermal or bubble jet drop-on-demand, and are particularly adapted for use in thermal ink jet printers.

Abstract: The process for chemically modifying metal-free, organic material for improving one or more properties thereof such as water dispersibility, compatibility with other organics, or increased chemical reactivity, wherein the process includes providing material with from 1-6 sulfonylhalide groups or sulfonate ester groups or mixtures thereof, and contacting the material under sulfonamido forming conditions with one or more reactants containing one or more poly(oxyalkylene) moieties, each of the reactants having from 1 to 4 functional amine groups, and each of the poly(oxyalkylene) moieties being comprised of from about 4 to about 200 epoxide reactant residues at least about 50 mole percent of which residues contain 2-4 carbons.

Abstract: Poly(p-phenylene terephthalamide) (PPD-T) fibers which have been dried are dyed with cationic dyes, or with disperse or acid dyes, by heating the fibers under a high pressure from 29 to 108 psi and at a temperature from 130.degree. to 180.degree. C.

Abstract: Printing fluid for printing cellulosic materials comprising (a) water; (b) a cationic polyaminoamide/epichlorohydrin resin; (c) a water soluble cationic dye; and (d) 0 up to about 3 wt. %, based on the weight of the printing fluid, of a bleachable pigment. The fluid preferably also contains up to about 50 wt. %, based on the weight of the fluid, of urea to enhance color strength. The printing fluid has excellent bleed resistance to common household products but is nevertheless bleachable so that printed materials such as paper toweling may be repulped and recycled.

Abstract: A method for dyeing fibrous material is provided. The method includes contacting a fibrous material with a carrier and a dye soluble or dispersed with the carrier in a dyebath. The carrier comprises an N-substituted aromatic carbonamide or an N,N-disubstituted aromatic carbonamide or mixture thereof. The carrier system of the present can be advantageously utilized for improving dye and flame resistant properties of difficult to dye fibers such as aromatic polyamide fibers, polybenzimidazole fibers and aromatic polyimide fibers.

Abstract: Process to dye polyacrylonitrile in blue shades with cationic dye compounds: substituted benzothiazolium azo N-alkyl-N-hydroxyalkyl alkyl-aniline salts.

Abstract: Carrier dyeable polyester yarns are space dyed by spraying with water dispersions of disperse dyes without thickeners or carriers followed by a short steaming process and autoclaving to develop the dyes or by a knit-de-knit process of knitting the yarn into socks or tubes which are roller printed with disperse dyestuff, thickener and carrier dissolved in water in various colors followed by steaming, washing, drying and deknitting. The thus produced space dyed yarns are then tufted into area rugs along with undyed yarns of "carrierless" polyester fibers and/or nylon fibers and dyed with a cationic, acid or disperse dye appropriate to the dye receptivity of the undyed yarns while avoiding overdyeing of the space dyed yarns to produce a multicolor piece-dyed area rug.

Abstract: Polymeric cationic dyes wherein the same or different monomer components represented by the following formula (1) are linked at the terminal amino groups by a crosslinking agent:H.sub.2 N--A--CH.dbd.CH--B (1)in which A represents a substituted or unsubstituted benzene ring and B represents the radical of a quaternized methylene active compound. The dyes are used in particular for dyeing paper.

Abstract: In the art of pigmenting high molecular weight organic materials there is a long-felt need for high-hiding organic red pigments, in particular yellowish red pigments, which are increasingly used to replace the ecologically unsafe inorganic red pigments. However, this gap in the market cannot be satisfactorily filled by using the tetrachloroperylenetetracarboximide pigments known for the aforementioned purpose.According to the invention, it has now been found that a chlorine content of .ltoreq.25% in such chlorinated perylimides confers remarkable coloristic properties on the pigments thus produced, so that these pigments are superior in hiding powder and masstone to the tetrachloroperylimide compounds described. Accordingly, the invention is directed to high-hiding red pigments of the type of the halogenated perylenetetracarboximides containing up to 4 chlorine atoms, whose chlorine content is 15-25% and which are present as mixed crystal pigments in the .beta.

Abstract: Aromatic polyamide fibers, which have been dried and/or crystallized, are steam dyed with a water-soluble dye padded onto the surface of fibers, along with a small amount of a carrier.

Abstract: A leuco dye of the formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 each represent a lower alkyl group; A represents ##STR2## in which R.sup.9 and R.sup.10 each represent hydrogen, provided that both R.sup.9 and R.sup.10 may not be hydrogen, --CN or --COR.sup.14 in which R.sup.14 represents a phenyl group which is unsubstituted or is substituted by an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, or a halogen, a naphthyl group which is unsubstituted or is substituted by an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms or a halogen, or a lower alkoxyl group, ##STR3## in which ##STR4## represents a phenyl group or a naphthyl group, R.sup.11 represents hydrogen, a lower alkyl group, a halogen, an amino group, which is unsubstituted or is substituted by an alkyl group having 1 to 4 carbon atoms, or a nitro group, or ##STR5## in which R.sup.

Abstract: A process for redyeing partially bleached fabric or garments to yield sharply-etched multicolored designs comprises the steps of:(a) dyeing the fabric, or purchasing a commercial garment, with a background first color;(b) gathering selected areas of the dyed fabric with ligatures to restrict access of further reagents;(c) bleaching the gathered background dyed to remove the first color from the areas outside the gathered areas; and(d) redyeing the bleached areas with a second color,whereby sharply defined multicolored patterns are formed having from about 0.2 mm to about 2 mm of white gap between each color.

Abstract: There is provided by this invention a process for preparing poly(paraphenylene terephthalamide) fibers dyeable with cationic dyes. The process comprises soaking poly(paraphenylene terephthalamide) fibers in sulfuric acid, washing the fibers and dipping the acid soaked fibers or never-dried PPD-T fibers in an aqueous solution of a dye promoting species. The fibers can then be dried and subsequently dyed.

Abstract: Concentrated solutions of cationic dyes are prepared by treating the cationic dyes, which contain as the counterions the anions customarily present during their preparation, with alkali metal salts of monocarboxylic acids and with or without complexing agents in an aqueous glycol ether medium, and separating off the organic phase, which contains the dyes in the form of their monocarboxylic acid salts.

Abstract: There are disclosed coated active substances and a process for the preparation thereof, wherein said active substances are dyes, fluorescent whitening agent, photoactivators and/or textile microbicides, if appropriate together with extenders, dispersants, buffers, stabilizers and/or other auxiliaries.

Abstract: Water-soluble dyes are loaded on polymer microparticles having a particle size of 0.01 to 50 microns. The carrier polymer microparticles are produced by emulsion polymerizing a mixture of at least one monofunctional monomer with a crosslinking monomer in the presence of a polymerizable amino acid derivative or a hydrophilic oligomer having a plurality of amphoionic groups. Water-soluble dyes are added to the resulting emulsion. Color-loaded polymer microparticles are obtained by removing water from the emulsion followed by resuspending in an organic solvent.

Abstract: There are disclosed solid dye formulations which comprise at least one anionic wool dye and optional additional components as well as a mixture of an anionic dispersant and an amphoteric surfactant. Such formulations are distinguished in particular by improved solubility in water.

Abstract: Method is set forth of dyeing a material comprising forming a solution having a basic salt of a water soluble dye of the formula: ##STR1## wherein n is 0 or 1;m is 0 or 1;m=1 when n=0;p=0 when m=1;p=1 when m=0;the subscripts 1 and 0 indicating, respectively, the presence and absence of the substituent subscripted;Y is CR.sub.2 COO, CR.sub.2 CR.sub.2 COO or CR.sub.2 CR.sub.2 CR.sub.2 COO;each R is independently hydrogen, methyl, ethyl, phenyl or phenyl substituted with methyl, ethyl, halo, cyano, ethynyl or nitro;G is CR, CR.sub.2 CR, CRCR.sub.2, CR.sub.2 CR.sub.2 CR, CR.sub.2 CRCR.sub.2 or CRCR.sub.2 CR.sub.2 ;E is OH, SH or NH.sub.

Abstract: A mixed fabric of hydroxy group-containing fibers and cyano and/or carboxy group-containing fibers, the hydroxy group-containing fibers having been dyed with a reactive dye, is aftertreated with a product of reacting a mono- or polyfunctional amine having one or more primary, secondary and/or tertiary amino groups with cyanamide, dicyandiamide guanidine or bis-guanidine, said product containing at least one reactive hydrogen atom linked to a nitrogen atom, and is then dyed with a basic dye.

Abstract: Isoindolines of formula I ##STR1## wherein Y is a radical of formula II, III, IV, IVa, V or VI ##STR2## wherein Y, R.sub.1, R.sub.2, R.sub.3, A, Z, Q, X.sub.2, X.sub.3 and n are defined in claim 1, are most suitable for coloring organic material of high molecular weight.

Abstract: A process for the dyeing of polymers of propylene, butene-1 and 4-methyl-pentent-1 is disclosed. The process involves contacting articles of the polymer with an aqueous dyebath containing a basic dye in a concentration of at least 0.4 g/l and at a pH of at least 5.0. The temperature of the aqueous dyebath is at least 90.degree. C. The article is maintained in contact with the dyebath for at least 10 minutes. The polymer of propylene is preferably a blend of 50-99 parts of a homopolymer of propylene or copolymer of propylene and ethylene with 1-50 parts of a zinc ionomer or graft copolymer of a hydrocarbon alpha-olefin with an alpha-olefin having carboxylic acid or carboxylic acid anhydride. Dyed polymers are obtained.

Abstract: The present invention provides a non-aqueous process for the dyeing of a dyeable material at an elevated temperature by contacting a dyeable material with a dye composition at an elevated temperature in a non-reactive environment. The dye composition temperature and the time of contact between the dye composition and the dyeable material are sufficient to effectuate the dyeing of the material. The dye composition comprises a substantially non-aqueous solvent and a dyestuff.

Abstract: There is disclosed a procedure for reducing the halide content of cationic or basic dyes and consequently the corrosive effect of aqueous formulations of these dyes on stainless steel. The dyes are incorporated into aqueous formulation which may range from neutral to acidic and exposed to an anionic exchange resin. Suitable techniques include stirring beads of the resin into the aqueous formulation and passing the aqueous formulation through an ion exchange column.

Abstract: Water-soluble, amide group containing polymers such as polyacrylamide are modified, to render them easy to detect, by reacting the polymer in aqueous solution with organic dye molecules which can form stable carbo-cations reversibly in water. The labelled polymers can then be detected spectrophotometrically. An example of a suitable dye molecule is 9-xanthydrol.

Abstract: Highly concentrated stable solutions of color-forming agents of the general formula ##STR1## wherein x denotes hydroxyl, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy, alkylamino, dialkylamino, acrylamino, aralkylamino or arylamino andR denotes alkyl, alkenyl or aralkyl,further isocyclic or heterocyclic rings can be fused onto the rings A, B, C and D and the cyclic and acyclic radicals and the rings A, B, C and D can carry further non-ionic substituents which are customary in dyestuff chemistry, or mixtures thereof, in water-insoluble organic solvents from the group comprising optionally chlorinated hydrocarbons, vegetable oils and phthalic acid esters are used for the preparation of pressure-sensitive recording materials.

Abstract: A dioxazine compound represented by the following formula (I) in the free acid form, ##STR1## wherein R is hydrogen, halogeno, alkyl, alkoxy or sulfo, V is a direct linkage or ##STR2## in which R.sub.4 is hydrogen or alkyl, X is a direct linkage or an aliphatic, araliphaatic or aromatic bridging group, B.sub.1 and B.sub.2 independently of one another are each phenylene or naphthylene, Y.sub.1 and Y.sub.2 independently of one another are each --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Z in which Z is a group splittable by the action of an alkali, and R.sub.1, R.sub.2 and R.sub.3 independently of one another are each hydrogen or alkyl, which is useful for dyeing or printing fiber materials such as cellulose fiber materials to give dyed or printed products of a deep blue color superior in fastness properties.

Abstract: A composition for dyeing material of synthetic aromatic polyamide fibers, including a cationic dye and a dye assistant, which is a mixture of N-substituted phthalimide and an emulsifier. The N-substituted phthalimide is preferably a 2:1 mole ratio of N-butyl phthalimide and isopropyl phthalimide. The emulsifier is preferably propylene oxide and ethylene oxide block polymer, and an anionic surfactant blend and an anionic/cationic surfactant blend.

Abstract: A method of manufacturing a homogeneous, water-insoluble dye layer on a substrate is provided in which a solution of a cationic or anionic dye in an organic solvent is provided on the substrate, the solvent is removed and the resulting dye layer is treated with an aqueous solution of a salt in which the cation of the anionic dye is exchanged for the cation of the salt or is treated with a salt or acid in which the anion of the cationic dye is exchanged for the anion of the salt or acid. The invention also provides a substrate provided with water insoluble homogeneous dye layer.

Abstract: Liquid formulations of mixtures of cationic dyes frequently have a very short storage life. As a consequence, these formulations give rise to customer complaints concerning incorrect dyeing strengths and hues and concerning isoluble constituents. It has now been found according to the invention that powder formulations and in particular liquid formulations of cationic dyes or of mixtures of these dyes can be stabilized by adding selected oxidizing agents.

Abstract: Disclosed is a coloring material including a rubber having a sulfonic acid group or a salt thereof, which is dyed with a basic dye. The coloring material is prepared by adding a solution of an alkali in an alcohol to a solution of a chlorosulfonated polyolefin in an organic solvent and then adding a basic dye to the obtained reaction liquid, or adding a basic dye to a solution of a sulfonated product of a rubber in an organic solvent, and optionally removing the solvent from the obtained solution.

Abstract: A process for the dyeing of polymers of ethylene is disclosed. The process involves contacting articles of the polymer with an aqueous dyebath containing a basic dye in a concentration of at least 0.5 g/l and at a pH of at least 5.0. The temperature of the aqueous dyebath is at least 35.degree. C., especially at least 55.degree. C. The article is maintained in contact with the dyebath for at least 20 seconds. The polymer of ethylene is a blend of 65-99 parts of a homopolymer of ethylene or copolymer of ethylene and at least one C.sub.3 -C.sub.10 higher alpha-olefin with 1-35 parts of a direct or graft copolymer of an alpha-olefin having carboxylic acid, carboxylic acid anhydride, ionomeric or --OH groups. Dyed polymers of ethylene are obtained.

Abstract: Polymeric compounds (A) obtained by the reaction of epihalo-hydrin with a polyalkylene polyamine are useful as textile treatment agents. As pretreatment agents they improve the color yield of the subsequent dyeing, as aftertreatment agents they improve fastness properties. Certain of the products (A) are novel.

Abstract: A process for dyeing or printing textile fibre materials with reactive dyes, which comprises using reactive dyes which contain at least one radical of the formula--SO.sub.2 --CH.dbd.CH.sub.2 (1a)or--SO.sub.2 --CH.sub.2 CH.sub.2 --X (1b)and at least one radical of the formula ##STR1## in which X is an inorganic or organic radical detachable under alkaline conditions, R is hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl, Y is oxygen or sulfur and R.sub.1 is a substituted or unsubstituted aliphatic radical, gives dyeings or prints having good fastness properties.

Abstract: A coloring material comprising a solution of an alcohol-soluble resin having a sulfonic acid group or a salt thereof, which is dyed with a basic dye, in a solvent comprising an alcohol as a main component. The coloring material is prepared either by (a) polymerizing an ethylenically unsaturated sulfonic acid or a salt thereof in water and adding a basic dye to the obtained aqueous liquid of the formed polymer or (b) carrying out said polymerization in the presence of a basic dye, and dissolving (i) the obtained aqueous liquid of the formed colored polymer of (ii) a colored polymer obtained by removing water from the obtained aqueous liquid of the formed colored polymer in a solvent comprising an alcohol as a main component; or, (a') carrying out said polymerization in a solvent comprising an alcohol as a main component and then adding a basic dye to the obtained polymer solution, or (b') carrying out said polymerization in the presence of a basic dye.

Abstract: An aqueous liquid dye composition improved in storage stability, which comprises a bifunctional reactive dye of the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfonic acid group, R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, A is an substituted or substituted phenylene or naphthylene group, X is a halogen atom, and Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a splittable group by an alkali, in an amount of 5 to 50% by weight based on the weight of the liquid dye composition, the liquid dye composition having a pH value of from 3 to 7.

Abstract: Silane quinacridone dyes, composite pigments obtainable therefrom by association with an inorganic substrate, and the processes for preparing them. The dyes have the general formula: ##STR1## wherein X is an --SO.sub.2 NHR group, where R is an alkyl group, linear or branched, having from 1 to 6 carbon atoms, a cycloalkyl group, a phenyl group optionally substituted by one or more alkyl or alkoxy groups (C.sub.1 -C.sub.6), a halogen;Y and Z indicate a silane group having the formula: ##STR2## wherein R.sub.1 is an alkoxy group (C.sub.1 -C.sub.2), R.sub.2 is an alkyl group (C.sub.1 -C.sub.4) or a phenyl group; n is 3, 4 or 5; q is 0 or 1; p and m are integers, such that when q is 1, p is 2 and m is 0, 1 or 2, and when q is 0, p is 3 and m is 0, 1, 2 or 3; W indicates an --SO.sub.3 H group; a, b and c are 0 or 1, selected in such a way that the sum a+b+c is equal to 1.

Abstract: A thermal transfer printing sheet comprising a substrate having a coating comprising a dye of the formula:D--AwhereinD is a cationic chromophore andA is a soft anionic base,suitable for use in a thermal transfer printing process.

Abstract: Textile fabrics formed at least partially of cationic dyeable polyester fibers are dyed in a continuous process with an aqueous dyebath comprising(a) 0 to 5 g/l of thickener;(b) cationic dyestuffs in an amount sufficient to dye the cationic dyeable polyester fibers to the desired depth of color;(c) 2 to 100 g/l of a partially sulfated adduct of ethylene oxide with an alkyl phenol or C.sub.8 to C.sub.16 fatty alcohols;(d) 2 to 60 g/l of nonionic or anionic surfactants; and(e) 5 to 50 g/l of at least one organic compound selected from the group consisting of aromatic nitrile ethers and ethoxylated chlorophenols.The fabrics are continuously dyed by padding, immersing, spraying or otherwise applying the dyestuffs, steaming the fabrics in their wet condition, and subsequently washing and drying.

Abstract: The invention describes a process for the preparation of granular dye formulations by mixing a (preferably water-soluble) dye, water, and optionally further assistants with a polyethylene glycol that melts in the range from 40.degree. to 150.degree. C., and drying the resultant solution or suspension in a spray drier or fluidized bed drier. The granular formulations so obtained are permanently dust-free, dissolve rapidly in an aqueous dyebath, and do not cause foaming during dyeing.

Abstract: Novel liquid dye formulations which contain organic carbonates in addition to conventional components are very useful for dyeing organic substrates.

Abstract: The invention describes a process for the preparation of granular dye formulations by melt granulation, using a polyethylene glycol as melt vehicle. The essential feature of the invention is that a start is made from the dye which contains water, for example from the aqueous filter cake or synthesis solution, and adjusting the moisture content of the granular formulations to 1 to 30% by partial evaporation of water from the dye/polyethylene glycol melt.

Abstract: A process is described for spray-drying readily water-soluble dyes and fluorescent brighteners from a saturated aqueous solution which contains undissolved dye or fluorescent brightener in a ratio between dissolved and undissolved matter of 1:9 to 9:1.The free-flowing dye or brightener granulates obtained in this process are distinguished by high bulk density, abrasion resistance and dimensional stability.

Abstract: The invention is concerned with a method of producing in-line dyed fibers, in a gel state, characterized in that it essentially consists of extruding the spinning dope in a coagulum bath, stretching the resulting filaments, scrubbing said filaments to remove residual solvent, passing the resulting filament tow through a dyeing bath at an overall rate in excess of 4 cm.sup.3 bath per second per square centimeter of tow surface area. The overall rate, being preferably in the 4 to 10 cm.sup.3 /sec per cm.sup.2 range, is achieved by means of crossflows to the forward advance direction of said tow, and alternately directed to and from said tow, the tow residence time in the dyeing bath being no longer than 5 seconds. The tow is then subjected to a dye fixing heat treatment, and is then scrubbed, finished, and dried. The method is particularly suitable for use with substantially acrylic and modacrylic fibers.

Abstract: Silane quinacridone dyes, composite pigments obtainable therefrom by association with an inorganic substrate, and the processes for preparing them. The dyes have the general formula: ##STR1## wherein X is an --SO.sub.2 NHR group, where R is an alkyl group, linear or branched, having from 1 to 6 carbon atoms, a cycloalkyl group, a phenyl group optionally substituted by one or more alkyl or alkoxy groups (C.sub.1 -C.sub.6), a halogen; Y and Z indicate a silane group having the formula: ##STR2## wherein R.sub.1 is an alkoxy group (C.sub.1 -C.sub.2), R.sub.2 is an alkyl group (C.sub.1 -C.sub.4) or a phenyl group; n is 3, 4 or 5; q is 0 or 1; p and m are integers, such that when q is 1, p is 2 and m is 0, 1 or 2, and when q is 0, p is 3 and m is 0, 1, 2 or 3; W indicates an --SO.sub.3 H group; a, b and c are 0 or 1, selected in such a way that the sum a+b+c is equal to 1.

Abstract: Novel quaternary alkoxyalkylammonium compounds of the formula 1 ##STR1## in which R denotes C.sub.8 -C.sub.20 --, preferably C.sub.12 -C.sub.18 --, alkyl or C.sub.8 -C.sub.20 --, preferably C.sub.12 -C.sub.18 --, alkenyl, R.sub.1, R'.sub.1 and R".sub.1, which can be identical or different, denote methyl, ethyl or benzyl and at least one of the radicals R.sub.1, R'.sub.1 and R".sub.1 denotes a group of the formula --(C.sub.S H.sub.2S O).sub.x H,R.sub.2 and R.sub.3, which can be identical or different, denote methyl, ethyl or benzyl,a denotes 0 or 1, b denotes 0 or 1, of which either a or b has to be=1, m denotes 0 or 1, n denotes 2 or 3, p denotes 1, 2 or 3, S denotes 2 or 3, x denotes 1, 2, 3 or 4, and A denotes a halide, methosulfate, ethosulfate or methophosphate ion. These compounds are used as retarders and leveling agents in the dyeing of polyacrylonitrile and acid-modified polyester fibers.

Abstract: Dyestuffs of the formula ##STR1## where the substituents are as defined in the descriptive part of the Application, are suitable for dyeing natural and synthetic fibre materials and produce dyeings having good fastness properties.

Abstract: Triphendioxazine dyestuffs of the formula ##STR1## where the substitutents are as defined in the descriptive part, produce blue to reddish blue dyeings of good light and wet fastness on cellulose and polyamide materials. The new dyestuffs are obtained by oxidative cyclization of condensation products of appropriately substituted amines of the formula ##STR2## with 1,4-benzoquinones.

Abstract: A textile finishing process in which there is employed, as a pH regulator, a compound or a mixture of compounds of formula I ##STR1## in which p is from 1 to 20,R is hydrogen, C.sub.1-3 alkyl or C.sub.1-3 alkyl substituted by hydroxyR' has independently one of the significances given for R or is --CO--R andA is --CH.sub.2 CH.sub.2 --; --CH.sub.2 --CH.sub.2 --CH.sub.