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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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JP2000248187A |
To obtain a compound which shows high luminance, good fastness and solubility and is useful as an intermediate for synthesizing an azothioxanthene-based compound useful as a red fluorescent dye by reacting an azathioxanthene-based compou...
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JP3083236B2 |
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JP3083248B2 |
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JP2000178252A |
To obtain the subject new compound having a bright color, high stability and an especially high solubility and useful as a recording coloring matter material.This anthraquinone-based compound is represented by formula I (R1 and R2 are ea...
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JP2000154190A |
To obtain a new compound having a fluorescent characteristic, having good heat stability and light resistance and useful as a pigment capable of being easily dissolved in polymers.A compound of formula I [R1, R2 are each CH3, a CH2(1-4C ...
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JP2000112158A |
To obtain an environmentally allowable and substantially nonpoisonous perylene dimer lurninous pigment and to obtain a new image forming member having improved photoconductivity.The photoconductive image forming member has an asymmetric ...
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JP3034185B2 |
PURPOSE: To obtain the subject compound useful as blue vat dye, etc., in high qualities and high yield by suspending an aminoanthraquinone in a mixed solvent comprising a specific ratio of an aprotic polar solvent to water condensing the...
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JP3034168B2 |
PURPOSE: To efficiently obtain the subject compound useful as a blue vat dye and a pigment in high yield and high quality by reacting aminoanthraquinone with an alkaline condensing agent in the presence of a new aprotic polar solvent. CO...
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JP3031761B2 |
PURPOSE: To improve the color rendering without losing the vividness of the blue color of a cyanoazo dye by incorporating a specified anthraquinone dye into a specified cyanoazo dye. CONSTITUTION: A dye composition which contains a compo...
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JP3020433B2 |
PURPOSE: To obtain a high-quality anthraquinonethiazole compd. which is industrially very useful as a yellow vat dye. CONSTITUTION: In the process for producing a yellow vat dye represented by the formula by reacting 2,6-diaminoanthraqui...
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JP2000063688A |
To prepare a transparent dimethylperylimide pigment by a simple process without causing environmental problems. In a process for preparing N,N'-dimethylperylene-3,4,9,10- tetracarboxylic diimide, two mol of monomethylamine per mol of per...
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JPH11515042A |
A fluorescent yellow article comprising polycarbonate polymer, perylene imide dye Chromophthal Red 6961A and at least one yellow-green dye selected from the group consisting essentially of Lumogen F Yellow 083, CI Solvent Yellow 98, CI S...
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JP2987056B2 |
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JPH11286489A |
To obtain a new compound capable of improving coloring properties, fluidity and general applicability of pigment preparation used as a toner for electrophotography or a coloring agent for powder coating or ink for ink jet and useful as a...
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JPH11166128A |
To obtain a pigment mixture having excellent coloring properties and rheological properties by mixing an organic pigment with a pigment dispersant being a specified perylene compound. The pigment composition comprises the following compo...
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JP2907989B2 |
Perylimides useful as monomers have the formula wherein R1 is C1-C20-alkyl which may be interrupted by one or more oxygen atoms or is substituted phenyl, R2 has the meanings hydrogen, chlorine or substituted or unsubstituted phenoxy inde...
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JPH11124382A |
To obtain perylene hydrazidimide that is easily soluble and readily available, suitable for detection of carbonyl compounds and useful as a dye. This novel compound is represented by formula I [R1-R9 are each H, a (substituted) carbon cy...
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JP2875039B2 |
Perylene-3,4,9,10-tetracarboxylic acid diimide pigments and their N-alkyl derivs. with 1-4C in the alkyl gp. having easy dispersibility, good brilliance and high colouring power, are prepd. by converting the crude pigment into finely div...
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JPH1129714A |
To provide a method by which a dyed piece having a sharp hue and high light color fastness can be obtained, and formalin discoloration in wool dyeing does not occur and which comprises using an anthrapyridone compound having a specified ...
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JP2802338B2 |
A compound that is 3,6-Bis-(2'-methoxyphenyl)-2,5-dihydro-2, 5-dimethyl-pyrrolo-(3,4-c)-pyrrole-1,4-dione for the formula III (III)
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JPH10251576A |
To obtain the subject product capable of providing a bright print having high fastness at a high density, especially such as a blue dyed product by using a disperse dye having a specific structure as a colorant. This ink for ink jet jets...
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JPH10204076A |
To provide a method for readily producing perylene-3,4-dicarboxylic anhydride useful for a coloring agent, etc., without using a transition metal catalyst in a high yield by treating a specific dicarboximide compound with a base, alkylat...
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JPH10140026A |
To obtain the subject dye giving a red printed image having extremely high lightness and sharpness and extremely good light fastness, abrasion resistance and water fastness. The objective dye is expressed by formula I {R1 and R2 are each...
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JPH1053970A |
To obtain a hair dye without any toxicological fear without fouling skin by compounding an acid and/or a basic dyes with a specific carrier and a nonionic and/or an amphoteric surfactants. This hair dye is obtained by blending at least o...
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JP2714487B2 |
PCT No. PCT/FR94/00549 Sec. 371 Date Jan. 10, 1995 Sec. 102(e) Date Jan. 10, 1995 PCT Filed May 10, 1994 PCT Pub. No. WO94/26711 PCT Pub. Date Nov. 24, 1994The present invention relates to novel carbazole derivatives corresponding to the...
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JPH107923A |
To obtain a benzothioxanthene dye which is useful as a red dye, for ink jet printing, having excellent weather resistance by introducing a sulfonic acid and/or sulfonate group or a sulfonamide group into a specified compd. This benzothio...
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JP2650993B2 |
Pigments of the formula I (I) where A is a five- or six-membered aromatic fused or unfused heterocycle which contains one to three hetero atoms from the series consisting of nitrogen and/or oxygen and/or sulfur and which is bonded to the...
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JP2609225B2 |
A storage medium in which previously recorded messages are stored is scanned for instruction signals representing the occurrences of instructions in those messages. Following the aforementioned scanning, if a message in condition to be p...
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JPH0952868A |
To obtain in high yield and extremely in high purity a pyrocarbonic diester useful for e.g. producing soluble pigment precursors, by reaction between an ester carbonate and a sulfochloride by a specific means. This compound, a carbonic d...
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JP2578697B2 |
PURPOSE: To cut or crush a waste magnetic tape into proper lengths, heat them, and mold them in pressure molding by adding a binder, so as to manufacture a building material board. CONSTITUTION: A waste magnetic tape such as video tape i...
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JP2573647B2 |
Perylene-3,4,9,10-tetracarboxylic acid diimides of the formula I (I) in which R is a linar or branched alkylene, alkylenecycloalkylene or cycloalkylenealkylene radical which has at least 15 C atoms and which is interrupted by one or two ...
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JPH08176542A |
To obtain parts, moldings, fibers and sheets capable of being excited by an electrical voltage to fluoresce with the use of an electroluminescent material composition readily obtainable from a fluorescent dye from the perylene series and...
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JP2513650B2 |
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JPH0826232B2 |
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JPH086043B2 |
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JPH083564B2 |
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JPH07110829B2 |
Substituted anthra[1,9-cd]pyrazol-6(2H)-ones have anti-microbial activity. Methods for their preparation, use and pharmaceutical compositions are disclosed. Some of the novel anthra[1, 9-cd]pyrazol-6(2H)-ones have the following formula: ...
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JPH07104448B2 |
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JPH07295252A |
PURPOSE: To ensure high sensitivity to light in the visible region by forming an org. photosensitive layer contg. a specified trinitrofluorenoneimine deriv. as an electron transferring agent as well as a perylene pigment as an electron g...
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JPH07295253A |
PURPOSE: To ensure high sensitivity to light in the visible region by forming an org. photosensitive layer contg. a specified trinitrofluorenoneimine deriv. as an electron transferring agent as well as a perylene pigment as an electron g...
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JPH07295256A |
PURPOSE: To ensure high sensitivity to light in the visible region by forming an org. photosensitive layer contg. a specified trinitrofluorenoneimine deriv. as an electron transferring agent as well as a perylene pigment as an electron g...
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JPH07295254A |
PURPOSE: To ensure high sensitivity to light in the visible region by forming an org. photosensitive layer contg. a specified trinitrofluorenoneimine deriv. as an electron transferring agent as well as a perylene pigment as an electron g...
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JPH07295255A |
PURPOSE: To ensure high sensitivity to light in the visible region by forming an org. photosensitive layer contg. a specified trinitrofluorenoneimine deriv. as an electron transferring agent as well as a perylene pigment as an electron g...
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JPH0796652B2 |
A tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment which contains not less than 85% by weight of the tetrachloro compound of the formula which is present to the extent of not less than 95% by weight in the beta -modifica...
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JPH0787669B2 |
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JPH0747697B2 |
PCT No. PCT/EP90/01311 Sec. 371 Date Mar. 6, 1992 Sec. 102(e) Date Mar. 6, 1992 PCT Filed Aug. 9, 1990 PCT Pub. No. WO91/02034 PCT Pub. Date Feb. 21, 1991.Pigment preparations consisting essentially of (a) at least one pigment based on p...
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JPH0746228B2 |
An improved photoresponsive device including a supporting substrate, and a photoconductive layer comprising a perylene dye composition of the following formula: wherein as least one of R1, R2, and R3, and at least one of R1 min , R2 min ...
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JPH0745629B2 |
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JPH0721146B2 |
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