Abstract: Water-insoluble azo colorants, their preparation and use The invention relates to monoazo and disazo compounds of the formula (I) ##STR1## in which D is the radical of a carbocyclic or heterocyclic diazo or bisdiazo component, R.sup.1 and R.sup.2, independently of one another, are each a substituted or unsubstituted aryl or heteroaryl radical, X.sup.1 and X.sup.2, independently of one another, are each ring-forming ether oxygen or a substituted or unsubstituted imide grouping and n has the value 0 or 1, in which rings A and B, independently of one another, can each be additionally substituted and/or carry substituted or unsubstituted fused rings.These new compounds of the formula (I) are obtained by coupling diazotized amines or diamines of the type D--NH.sub.2 or H.sub.2 N--D--NH.sub.2 with (benzoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides.Depending on the presence and length of alkyl chains, the compounds of the formula (I) are suitable for use as pigments, disperse dyes or oil-soluble dyes.

Abstract: The invention is directed to a novel disazo compound represented by the formula (I) ##STR1## wherein Q is a substituted or unsubstituted phenyl or naphthyl group; Me is copper, nickel, zinc or iron; and Z is hydrogen, lower alkyl, lower alkoxyl, sulfo, or substituted or unsubstituted amino; and also to a polarizing film having said disazo compound incorporated into a polarizing film base. The polarizing film exhibits high polarizing activities comparable to those of an iodine-containing polarizing film, and also has excellent durability.

Abstract: Compounds of the formula ##STR1## wherein each R.sub.1 is independently hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or nitro,R.sub.2 is hydrogen or halo,R.sub.3 is halo, andMe is a divalent metal,useful for pigmenting polymeric materials such as polyethylene, polyvinyl chloride, polystyrene, natural rubber and synthetic rubber, for the mass pigmentation of materials such as cellulose acetate and for pigmenting paper, lacquers, paints, printing inks and textile coatings.

Abstract: Polycarbonate materials are dyed by immersion into a mixture of dye or pigment dissolved in a solvent blend. The blend is made up of an impregnating solvent, which attacks the polycarbonate and allows impregnation of the dye or pigment, and a moderating solvent which reduces the aggressiveness of the impregnating solvent. A graded tint is provided by slowly withdrawing the immersed polycarbonate material from the mixture. Polycarbonate materials having a graded tint, especially sheets in the form of lenses and goggles, are also provided.

Abstract: A surface of an article, such as an optical element, formed of a polycarbonate-polyester copolymer, is subsequently tinted to a predetermined degree by first subjecting said surface to ultraviolet radiation of predetermined intensity for a predetermined period of time.

Abstract: A wet process with no heating for continuous transfer pattern printing of a cellulose fabric web or its blends by using a corona-treated plastic film as a pattern carrier web and a dye admixed with a thickening agent containing water-soluble and alcohol-soluble hydroxypropyl cellulose or polyvinyl pyrrolidone as ink.

Abstract: Disazo compounds of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 are identical or different and are a hydrogen or halogen atom or a C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.5 -alkoxycarbonyl, nitro, cyano or trifluoromethyl group and the rings A, B, C and D independently of one another are unsubstituted or contain one or more substituents from the group comprising C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, carboxyl, C.sub.1 -C.sub.5 -carbalkoxy, C.sub.2 -C.sub.5 -alkanoyl, benzoyl, acyloxy, acylamino, unsubstituted or N-mono- or N,N-disubstituted carbamoyl or unsubstituted or N-mono- or N,N-disubstituted sulfamoyl, possible substituents being C.sub.1 -C.sub.4 -alkyl or mono- to trisubstituted phenyl; C.sub.1 -C.sub.4 -alkylamino or phenylamino; C.sub.1 -C.sub.

Abstract: 1,4-Diketopyrrolo[3,4-c]pyrroles of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, Cl, Br, CH.sub.3, OCH.sub.3, CN or phenyl, and at least one of the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a group--O(CH.sub.2).sub.n X or --O(CH.sub.2 CH.sub.2 O).sub.p CH.sub.2 CH.sub.2 Xwhereinn is an integer from 2 to 12, andp is an integer from 1 to 3,X is a heterocyclic radical selected from the group consisting of pyrrolyl and indolyl, or is a substituted amino group as defined in the specification.Pigment compositions comprising a minor amount of said compounds and diketopyrrolopyrrole pigments have excellent rheological and colouristic properties, especially in paint systems and in printing inks.

Abstract: Novel azo compounds having the specific structural formula (1) or (3) set out below, water-soluble dyes containing the compounds, and polarizing films containing the water-soluble dyes: ##STR1## wherein R.sub.1 represents a hydrogen or halogen atom or a hydroxyl, C.sub.1-2 alkyl, C.sub.1-2 alkoxy, C.sub.1-2 acylamino, cyano, carboxyl or sulfonic acid group; R.sub.3 and R.sub.8 individually represent a hydrogen atom or a hydroxyl, C.sub.1-2 alkyl or C.sub.1-2 alkoxy group; R.sub.2 and R.sub.4 individually represent a hydrogen atom or a hydroxyl, C.sub.1-2 alkyl, C.sub.1-2 alkoxy or C.sub.1-2 acylamino group; R.sub.5 represents a hydrogen atom or a carboxyl or C.sub.1-2 alkoxy group; R.sub.6 represents a hydrogen atom, a hydroxyl, amino, methylamino, .beta.-hydroxyethylamino or C.sub.1-2 acylamino group, or a phenylamino or benzoylamino group which the phenyl nucleus may be substituted by one or more nitro, amino, hydroxyl, C.sub.1-2 alkyl, carboxyl and/or sulfonic acid groups and/or chlorine atoms; R.sub.

Abstract: The present invention is a method for transferring an image to a card by using a thermal transfer sheet having a separation layer provided on one side of a base layer and an image receiving layer on the separation layer for receiving dyes that move from a dye transfer sheet. This method includes placing the thermal transfer sheet on the card and pressing them between a pair of rubber roller having a hardness of 70.degree. to 90.degree. heated to a temperature of 130.degree. C. to 180.degree. C. under a pressure of 3 to 15 kg/cm.sup.2.

Abstract: A dye strip for tracing liquid flow comprises a water-soluble paper impregnated with tracing dye. The dye-impregnated paper is in a dry form prior to use. A process for preparing the biodegradable dye strip calls for providing a water-soluble paper, communicating the water-soluble paper with liquid dye to absorb said liquid dye into the paper and forming a resulting dye-impregnated paper. The resulting dye-impregnated paper is dried. The product can be placed into a vat containing liquid. Dye diffuses from the paper into the liquid to form dyed liquid. The flow of the dyed liquid is then observed.

Abstract: A method of dyeing film of polyethylene terephthalate wherein the film is immersed in a dye bath of solvent or dispersion dyes dissolved in a carrier consisting of glycerol triacetate, the dye bath being heated so the film is raised to the glass transition temperature of the film, and the dye and carrier are absorbed into the film. The dye and carrier are removed from the surface of the film by a washing bath, and the film is then heated to remove the carrier absorbed in the film without depreciating the dyestuff or the film.

Abstract: A colored porous polytetrafluoroethylene material prepared by impregnating a colorant in a porous polytetrafluoroethylene material having a fine fiber structure consisting of fibers and nodes connected to one another through the fibers, and then heating the porous material at a temperature of at least a melting point of the porous material has porosity inherently possessed by the porous material and no distortion of a colored line.

Abstract: A liquid azo dye represented by the formula: ##STR1## (wherein, A stands for a phenylene group which may have a substituent, n is o or 1, Cp is a pyrazolone derivative residue or a naphthol derivative residue, X is --NH-- or --COO-- and R is an alkyl group having 3 to 12 carbon atoms).

Abstract: An acid dye staining method for electrophoretically separated fractions on a supporting matrix characterized by fixing the supporting matrix after electrophoresis with an aqueous solution containing a lower alcohol and an organic acid, followed by staining with an acid dye solution mixed with at least one specified acid, can reduce a time required for staining remarkably and improve the sensitivity greatly.

Abstract: Dyestuffs which in the form of the free acid conform to the formula ##STR1## in which X and Y independently represent --N.dbd.N--R, --CF.sub.3, --CONH.sub.2, --CONHR.sup.1, --CONR.sup.1 R.sup.2, --COOH, --COOR.sup.1, --CN, --NO.sub.2, --NH.sub.2, --NHR.sup.1, --NR.sup.1 R.sup.2, --OH, --OR.sup.1, --R.sup.1 CONH--, --O--CO--R.sup.1, halogen or a substituted or unsubstituted heterocyclic radical, provided that at least one of the radicals X or Y represents --N.dbd.N--R, in whichR represents an aryl or heterocyclic radical, andR.sup.1 and R.sup.2 independently represent alkyl, cycloalkyl, aryl or aralkyl, which are uninterrupted or interrupted by O, S or both O and S,and in which furthermore the radicals mentioned for R, R.sup.1 and R.sup.

Abstract: Concentrates of natural coloring agents such as carotene are prepared from organic media, particularly from palm oil, by a process in which the oil, together with a volatile solvent, is subjected to gel permeation chromatography. The concentrated coloring agent may then be used in food products such as margarine and ice cream.

Abstract: An opacified, semi-crystalline thermoplastic resin composition is provided having a poly(alkyleneoxy) substituted organic chromophore distributed throughout in an amount sufficient to color the resin. The resin composition is particularly useful for molding parts with strict dimensional tolerances as shrinkage of the molded part is minimal.

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: Light-polarizing films or foils, preferably based on a vinyl alcohol homopolymer or copolymer, contain dyes corresponding to the following formula ##STR1## in which R, R.sup.1, T.sup.1, T.sup.2, n, X and Z are as defined in the specification.

Abstract: To prepare storage-stable, low-dusting dyestuff granules which are readily soluble in plastics, a suspension of the dyestuff containing 0.1-5% by weight of a polyglycol are dried while being granulated.

Abstract: Liquid dye preparations useful for making color ribbons or ballpoint pen pastes contain at least one dye of the formula ##STR1## where X is hydroxyl, amino or C.sub.1 -C.sub.15 -monoalkylamino, R.sup.1 and R.sup.4 are each a carboxylate group or substituted or unsubstituted C.sub.1 -C.sub.15 -alkoxy, R.sup.2 and R.sup.5 are each hydrogen, nitro or chlorine, and R.sup.3 is hydrogen or C.sub.1 -C.sub.13 -alkyl, plus as solvent at least one product selected from the group consisting of benzyl alcohol, tridecanol, isotridecanol, glycol ethers, olein, dialkyl phthalates, chloroalkanes, alkanes disubstituted by phenyl, dialkylnaphthalenes and partly hydrogenated terphenyl.

Abstract: Process for rendering a plastic identifiable by adding 5 to 10,000 ppb of a fluorescent marker to the plastic during or after is manufacture.

Abstract: A method of dyeing film of polyethylene terephthalate wherein the film is immersed in a dye bath of solvent dyes dissolved in a carrier consisting of glycerol triacetate, the dye bath being heated so the film is raised to the glass transition temperature of the film, and the dye and carrier are absorbed into the film. The dye and carrier are removed from the surface of the film by a washing bath, and the film is then heated to remove the carrier absorbed in the film without depreciating the dyestuff or the film.

Abstract: Disclosed are colored cosmetic compositions that, when applied to a person's skin (e.g., the lips or cheeks), hair or nails, exhibit exceptional brilliance and clarity of color, and a method of using those compositions to provide an aesthetically pleasing appearance to the skin, hair or nails. The compositions comprise: (a) a pigment formed by incorporating a solvated dye into a resin, and (b) a cosmetic carrier having admixed therein the pigment in an amount effective to provide an attractive cosmetic effect to the composition when it is applied to a person's skin, hair, or nails. The methods of this invention comprise applying an effective amount of the foregoing composition to a person's skin (e.g., lips or cheeks), hair or nails.

Abstract: A process for applying images by transfer printing disperse dyes onto furniture end pieces, especially end pieces for use in juvenile furniture. In one preferred embodiment the end piece board is first coated with a pigmented non-polyester base coat which is applied with rollers and conventionally cured. The board is then coated with a 100% polyester clear top coat which is also applied with rollers and UV cured. In a second preferred embodiment the board is coated with a pigmented polyester base coat which is either sprayed or roll coated and which may be either conventionally or UV cured. Finally a sublimation decal is transfer printed into the polyester coating using a press having heated platens and operated at about 400.degree. F. and at between 8-30 psi for between 20-40 seconds. For larger boards, a silicone pad may be attached to the upper platen of the heat press adjacent to the surface of the platen which contacts the transfer printing decal to improve image transfer for uneven presses.

Abstract: A method of coloring a polycarbonate extruded or molded product for optical members, which is colored by a liquid coloring process for obtaining a colored polycarbonate extruded or molded product for optical members by extrusion or injection molding. The process involves mixing a polycarbonate resin for optical members and a liquid coloring agent dispersion obtained by dispersing a coloring agent in a dispersing agent. The dispersing agent includes a specific saturated fatty acid ester or silicon oil. After mixing the polycarbonate resin and liquid coloring agent dispersion, the resulting mixture is melted and thereafter extruded or molded to form a product for optical members.

Abstract: A dyeing method for dyeing plastic lenses or the like employed as lenses for eye glasses and exhibiting excellent dyeability. The lens is dipped into a dyeing solution while being moved by a combination of a small-amplitude short-cycle time up and down reciprocating motion superimposed on a large-amplitude long-cycle time up and down reciprocating motion. The lens is minutely oscillated according to the small-amplitude short-cycle time up and down reciprocating motion while being periodically moved up and down in the dyeing solution according to the large-amplitude long-cycle time up and down reciprocating motion. The lowest position of the lens obtained by the large-amplitude long-cycle time up and down reciprocating motion is raised gradually. Also disclosed is a dyeing apparatus which is used to carry out that dyeing method.

Abstract: A lens reduces eye strain and fatigue due to glare, after images, reflections or other visual noise incident upon an observer of a visual display terminal. The lens includes a light transmitting plastic body having a convex shaped outer surface for deflecting stray angular radiation and a body provided, in combination with, an ultraviolet absorber to block the transmission of ultraviolet radiation, a colored dye to diminish the intensity of any fluorescent light incident upon the lens and to diminish the transmission of either or both green color radiation or yellow color radiation through the lens and a grey dye to reduce the transmission of incident light.

Abstract: There is provided a new and useful paper type G and or type V chemical agent detector comprising a paper base including, associated with the base, at least one dye chosen from 4-((4-(phenylazo)phenyl)azo)-phenol (D.Y. 23), p-ethoxyphenyl-azo-.alpha.-hydroxynaphthoic acid (PEN), or 3', 3", 5', 5"-tetrabromophenolphthalein ethyl ester (TBPE).

Abstract: An apparatus and process for tinting plastic material; specifically, polycarbonate and other plastic eyeglass lenses. The dye solution has an elevated boiling point which allows for dyeing of the material at rates and temperatures above 212 degrees F. The dye solution temperature is maintained and controlled within a preselected tolerance by a temperature controlling unit and its associated heater, which is affixed to the dyeing tank. Dye solution is agitated and dispursed by a stirrer and stirring apparatus, and dye solution level is maintained by an automatic fill apparatus.

Abstract: The production and use of a high-intensity red natural colorant prepared from an anthocyanin derived from the cell line of Daucus carota (carrot) is described. The production of the high-intensity red natural colorant comprises the cultivation of Daucus carota in a cell tissue culture. Carrot cells are extracted from the cell tissue culture after subculturing and a suitable growth period. The extract is then purified in order to isolate the anthocyanin found in the carrot cells. The anthocyanin is then concentrated to produce the red natural colorant of the invention. The natural colorant produced is stable over a wide pH range under various conditions. The natural colorant is useful as a coloring agent for food products, cosmetics, and pharmaceuticals.

Abstract: Light-polarizing films or sheets, preferably based on vinyl alcohol homopolymers or copolymers contain dyestuffs of the formula ##STR1## in which X and Y have the meanings given in the description.

Abstract: Mat and rough endless sheetlike, ribbon-shaped or filiform polymeric products, preferably natural-fiber-like mat and rough textile products of chemical fiber materials, in particular of synthetic fiber materials, or mat and rough polymer films with low transparency are produced by contacting endless sheetlike, ribbon-shaped or filiform polymeric products with fine particles of organic or inorganic solid matter. This gives the textile structures a rough, woolly, soft feel and they are mat, while films become rough and mat and have a low transparency.

Abstract: A process for the deposition of a film of an electrophoretic resin upon the surface of a substrate which comprises the steps of (i) electrophoretically depositing from a bath comprising water, a water miscible organic solvent and the resin, a film of the uncured resin upon the surface of the substrate; (ii) immersing said film in a solution of a resin additive in a solvent medium comprising water and a water miscible organic solvent, the amount of said resin additive dissolved in said solvent medium being sufficient for the absorption into the resin film of sufficient additive to impart the desired property to the cured resin film, the composition of said solvent medium being such that the requisite amount of additive can be dissolved therein and such that said desired property is imparted to said resin film while immersed in said solvent medium without significant damage to the resin fim; and (iii) curing the resin.

Abstract: A process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a product with a color consisting of various shades of dark brown with conspicuous black streaks which duplicates the color of natural rosewood, thereby providing a synthetic rosewood or rosewood substitute, and the product produced thereby, are all described herein.

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, acylamino, 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: Liquid fabric softening compositions for use in a rinse bath after washing fabrics with a detergent. The softening compositions contain certain specific oil-soluble light-stable red dyes and pigments as colorants at levels which provide a pink color. The colorants are difficult to incorporate and require better mixing than water-soluble dyes.

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: Liquid fabric softening compositions for use in a rinse bath after washing fabrics with a detergent. The softening compositions have a pH of from about 2 to about 6 and contain certain specific yellow/blue colorants at levels which provide a yellow color in the composition and when said compositions are diluted in the rinse water of a typical laundry process, they have a pH of more than about 7.5 and a desirable blue color.

Abstract: A process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a jet black product with bronze highlights which duplicates the color of natural ebony, thereby providing a highlighted synthetic ebony or ebony substitute, and the product produced thereby, are all described herein.

Abstract: A polarizing film which comprises a film base having thereon an anthraquinone dye of general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, an alkyl group, an alkoxy group, an aralkyloxy group, an aryl group, a cyclohexyl group, a 4-alkylcyclohexyl group, a carboxylic acid ester group, a carboxylic acid amide group, a halogen atom, ##STR2## X represents an oxygen atom, a sulfur atom or an amino group.

Abstract: A process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a jet black product which duplicates the color of natural ebony, thereby providing a synthetic ebony or ebony substitute, and the product produced thereby, are all described herein.

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: 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: A colored thermoplastic resin composition is provided which comprises a thermoplastic resin and a colorant in the form of an alkyleneoxy-substituted chromophore group provided in said thermoplastic resin in a minor amount sufficient to provide coloration to said thermoplastic resin. A process for preparing colored thermoplastic resins is also provided.

Abstract: Polycarbonate articles, especially eyeglass and optical lenses, are dyed in a dye solvent having a boiling point of at least 350.degree. F. in which a dye is dissolved. The article to be dyed is retained in the solution maintained at 200.degree. F. or more until sufficient dye has penetrated the polycarbonate, then removed, rinsed and dried. The dyeing operation does not unduly detract from impact resistance and the dyed product exhibits excellent ultraviolet light stability.

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 method for partially dyeing a plastic lens and plastic lens dyed by the method are herein disclosed, the method comprising forming a film of a nondyeable coating agent on the whole surface of the lens, cutting and removing at least part of the film and then immersing the plastic lens in a dyeing liquid to selectively dye the part of the lens from which the film is cut and removed, the method making it possible to provide a dyed lens having a clear boundary between the dyed and nondyed parts.

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.