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JP2001131434A |
To provide novel light emitting organic pigments capable of photo- bleaching and organic EL elements using the same. The light-emitting organic pigments capable of photo-bleaching are selected from the group consisting of anthracene deri...
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JP2001115055A |
To provide an anthraquinone-based fiber-reactive blue dye which does not cause the deposit of the fiber-reactive dye, gelation and so on in the presence of an alkali, when dyed or printed, and has good stability. This anthraquinone-based...
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JP2001108815A |
To provide a color filter excellent in spectral characteristics and contrast ratio and having high heat resistance, light resistance and chemical resistance. The color filter is obtained by arranging a plurality of color layers having di...
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JP2001098471A |
To provide a method for dip-dyeing or printing a polyamide-containing material with three color dyes into the dip-dyed or printed product having excellent dye levelness, miscibility, color stability and excellent fastness against moistur...
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JP2001081353A |
To obtain the subject composition high in long-term storage stability by making an anionic dye into the form of its aqueous solution. This aqueous liquid dye composition comprises 0.1-80 wt.% of an anionic dye, ≥0.01 wt.% of a surfacta...
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JP3148484B2 |
PURPOSE: To provide an industrially advantageous method for producing 1- amino-5-benzoylaminoanthraquinone in high purity and yield. CONSTITUTION: The characteristic of this method for producing 1-amino-5- benzoylaminoanthraquinone compr...
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JP2001066421A |
To obtain a ray transmitting filter having excellent light resistance by using a specified ray transmitting filter having a layer containing an organic dye and a resin. A ray transmitting filter having a layer containing an organic dye a...
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JP3126665B2 |
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JP2001500178A |
The invention relates to anthraquinone polysulfonamide colorants derived from colored disulfonyl chlorides containing anthraquinone chromophores by reacting with various diamines. The anthraquinone polysulfonamide colorants are useful fo...
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JP3118477B2 |
Pigments of the formula Am-F-Rn, wherein each A is a monobasic or dibasic acid group, F is the residue of a dye, each R is a group containing an aliphatic-, cycloaliphatic- or aliphatic-heterocyclic-bound imino or amino nitrogen atom, m ...
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JP2000345058A |
To provide a dyeing process improved in level dyeing, light fastness, buidup, and a pH dependency by dyeing a fibrous material with an anthraquinone disperse dye.Provided is an anthraquinone disperse dye of the formula (wherein n is 0.3-...
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JP3113047B2 |
PURPOSE: To obtain a toner which stably gives clear picture images having little fog and excellent light resistance by using a dyestuff having a specified structure as a coloring agent. CONSTITUTION: This color toner contains at least a ...
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JP2000309168A |
To improve the resolution and the gradient in picture elements, and keep the recording property for a long period of time, by making a heat-transfer recording material which is led by a capillary phenomenon to a transfer section, of whic...
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JP2000290568A |
To provide a recording liquid for the mist type heat transfer recording which is free from scorching and clogging on the head, and has high heat resistance and high light-resistance, and can obtain printed images of a clear cyan color. A...
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JP3096332B2 |
Pyrazole derivatives of a variety of polycyclic pigments, particularly quinacridone pigments, corresponding to the general formula wherein Q is the primary pigment structure can be used as additives to pigment systems to provide a broad ...
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JP2000267245A |
To provide an image forming method using a heat developable photosensitive material by which the size of an image part is not changed even when the heat developable photosensitive material is used for printing and the size of the materia...
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JP3088531B2 |
Use of anthraquinone dyes I …… for thermal transfer printing, having the following meaning of the variables: … … ring A: can carry up to two of the following substituents: chlorine, bromine, hydroxyl, mercapto, amino or C1-C8-al...
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JP3085600B2 |
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JP3075495B2 |
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JP3075676B2 |
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JP3072503B2 |
A method for dyeing a hair fibre on a living human head comprises contacting the fibre with a tinctorially effective amt. of an anthraquinone cpd. of formula (I), for time sufficient to dye the fibre. R1, R2 = methyl and R3 = propyl, or ...
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JP3053520B2 |
PURPOSE: To enhance melt mixability, to stabilize image density obtained by successive copying by repeating development, and to improve lightfastness by using the dye for a specified magenta color toner. CONSTITUTION: This dye and compos...
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JP2000154175A |
To obtain a new compound rich in color, excellent in color mixing properties, having high stability and a high solubility especially in organic solvents and useful for a sublimation transfer recording method, etc.This compound is represe...
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JP2000154331A |
To obtain a new thioanthraquinone-based having a high solubility in organic solvents and useful as a coloring matter for recording.This compound is represented by formula I (R is a ≥5C alkyl), e.g. a compound represented by formula II....
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JP2000129150A |
To obtain a coloring matter monomer excellent in water, light, solvent and migration resistances and safety, etc., and useful as a coloring matter for an ink of an ink jet printer or a color toner. This monomer is represented by formula ...
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JP2000109717A |
To obtain an electrophotographic photoreceptor having a high sensitivity and capable of manifesting excellent electrification properties, durability and repetitive stability by using a specific anthraquinone compound as an electron accep...
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JP3026856B2 |
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JP3014889B2 |
Liquid petroleum products are tagged with a marker which is a compound or mixture of compounds having the formula: wherein R<2> is C1-C6 alkyl, and R<2> and R<3> are nothing or -O-(C1-C3 alkyl). The marker or markers can be detected by e...
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JP2000044822A |
To obtain a colored composition having excellent spectral characteristics and contrast ratio, high heat resistance, light resistance and chemical resistance by including a specific colorant, a polymer combination, a polymerization initia...
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JP2000029164A |
To provide a photothermographic material which develops the tone of an image matching with the blue background color. This element consists of (a) a supporting body on one surface, (b) photosensitive emulsion layer containing (i) binder,...
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JP2996616B2 |
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JP2000007633A |
To obtain an anthraquinone-based compound rich in color, having excellent color mixing properties, strongly coloring power, high stability and especially high solubility. This compound is shown by formula I (R1 and R2 are each H, a 1-8C ...
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JP2987057B2 |
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JP2987058B2 |
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JPH11321121A |
To provide a heat-transfer recording medium wherein a transferred image which is excellent in visibility and color fastness to rubbing can be obtained, and a superposed transferred image of two colors or more, and half tone dots can be c...
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JP2974607B2 |
To obtain the subject compound, represented by a specific formula, having excellent hydrolytic resistance and copolymerizability with other raw materials and further excellent dyeing ability and useful for a contact lens, etc. This compo...
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JPH11301116A |
To form a recording layer capable of ascertaining most suitable absorptiveness, having the recording pit resolution of a laser beam, and high homogeneity in case of carrying out reproduction of information recording in use of a semicondu...
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JP2966086B2 |
Disclosed are color concentrate compositions which comprise a polyester having copolymerized therein at least 0.5 weight percent of an anthraquinone colorant compound having the formula wherein AQ is a 1,5- or 1,8-anthraquinonylene radic...
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JP2966087B2 |
Disclosed are colored polyester compositions comprising a polyester having reacted therewith or copolymerized therein at least one residue of an anthraquinone compound having the formula wherein AQ is the residue of a 9,10-anthraquinone ...
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JP2966973B2 |
PURPOSE:To provide a polarizing film with excellent polarizing characteristics and durability by incorporating a specific anthraquinone dye in a film base material made of a hydrophobic resin. CONSTITUTION:An anthraquinone dye represente...
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JP2963367B2 |
PURPOSE: To obtain a color compsn. having excellent rigidity such as light resistance, solvent resistance, heat resistance and chemical resistance and excellent sharpness in hue, clarity and transparency by using a specified anthraquinon...
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JP2956806B2 |
The process is characterised in that 1-amino-4-hydroxy-2,3-dihydroanthraquinone is chlorinated in concentrated sulphuric acid using chlorine. The compound which can be prepared according to the invention is a useful dyestuff intermed...
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JP2955329B2 |
NEW MATERIAL:A compound expressed by formula I (Z is CH=N or CH=CH). EXAMPLE:A compund expressed by formula II. USE:Used as yellow dichronic coloring matter for a light-polarizing film. Said compound has excellent durability. PREPARATION...
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JPH11256060A |
To obtain an aq. conc. dye soln. which can almost avoid the problem with storageability by incorporating a specified amt. of a blue-dyeing anthraquinone dye into the same. The objective aq. conc. dye soln. contains 5-50 wt.% (based on th...
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JPH11256062A |
To provide a volatile colorant which enables recording to be carried out well when used in thermal recording of a colorant evaporation type and a process for producing the same. This volatile colorant is characterized in that (i) the tot...
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JPH11241033A |
To obtain a dye mixture suited for use in dyeing printing a polyamide material by the three-color process, forming an aqueous solution having good storage stability, showing good absorbability by a fiber, and enabling fast and even dyein...
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JPH11189729A |
To obtain the subject stabilizer having heat resistance while retaining clear hue inherent in organic pigment/dyes. This stabilizer is represented by formula I (R1 is H, a halogen, a 1-12C alkyl or the like; R2 and R3 are each H, a halog...
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JPH11130977A |
To provide a red anthraquinone dye capable of dying well even at a high temp. and severe condition. This water-insoluble anthraquinone dye is expressed by the formula and of a β-type transformed crystal giving an X-ray diffraction chart...
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JPH11124510A |
To obtain a highly safe coloring material having no carcinogenicity by purifying an anthraquinone-based coloring material obtained by the reaction of (leuco)quinizarin and a certain amine in a way that the total colony count determined b...
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JPH11504958A |
(57) [Summary] Compounds and ink compositions. Compounds of formula (1) and salts thereof:[In the formula, Ch represents the atomic arrangement that causes this compound to absorb electromagnetic rays; RaAnd Rb bAre independently spacer ...
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