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JPH0560818B2 |
This invention relates to a novel method of oxidizing hydrazo compounds to corresponding azo compounds, and more particularly 4,4'-hydrazo-bis-4-cyano-pentanoic acid to 4,4'-azo-bis-4-cyano-pentanoic acid at a temperature close to ambien...
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JPH0560819B2 |
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JPH05213829A |
PURPOSE: To provide a new (poly)methacrylic ester improved esp. in orientation at a low temperature and responsiveness to temperature change, thus capable of adequately giving performance as a liquid crystal. CONSTITUTION: The objective ...
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JPH05208925A |
PURPOSE: To provide a fluoroalkane derivative having a low viscosity, stable against light, and enabling to give a liquid crystal composition improved in the response rate and driven at a low voltage, in a high duty and in a wide tempera...
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JPH0556361B2 |
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JPH0545582B2 |
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JPH05158010A |
PURPOSE:To provide the color changing hybrid vesicle content which can be easily pulverized, has excellent dynamic strength and can easily and densely control the color change based on the interdiffusion of dye precursors and color devel...
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JPH0541629B2 |
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JPH05140066A |
PURPOSE: To provide a new compound having high isomerization reaction rate and large variation in absorption wavelength, having yellowish brown powdery form, exhibiting highly reversible and durable photochromism and useful for optical m...
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JPH05140065A |
PURPOSE: To provide a new compound having excellent non-linear optical effect and useful for electrooptical element, etc. CONSTITUTION: The compound of formula I [R1 is H, 1-20C alkyl or nitro; R2 is (substituted) alkyl], e.g. 2-hydroxy-...
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JPH05503114A |
Bistriazene compounds such as +TR are useful for crosslinking polymers such as poly(imides), poly(aryl ether ketones), poly(aryl ether sulfones), poly(quinolines), poly(quinoxalines), and nonaromatic fluoropolymers having aliphatic C-H g...
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JPH05125030A |
PURPOSE: To provide a new azobenzene compound exhibiting highly reversible large change of absorption wavelength by photo-irradiation, applicable to various applications and useful as an optical memory material. CONSTITUTION: An azobenze...
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JPH05117200A |
PURPOSE: To easily obtain the subject compound useful as a raw material for fibers, liquid crystals, pharmaceuticals, agricultural chemicals, dyes, etc., by reacting an aromatic carboxylic acid or its derivative with a carbon tetrahalide...
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JPH05112516A |
PURPOSE: To provide a new azo compound useful as a dyestuff and further useful as an intermediate for substituted diaminobenzene type compounds in uses of dyestuffs, agricultural chemicals, polymers and various recording materials. CONST...
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JPH05502453A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0524184B2 |
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JPH0586005A |
PURPOSE: To obtain a new azo-based compound suitable as various photosensitive materials such as charge producing materials in electrophotographic photoreceptors, pigments, solar cells, etc., and a new diazonium salt as an intermediate s...
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JPH0586007A |
PURPOSE: To obtain a new azo-based compound, having high sensitivity, excellent in light stability and useful as photosensitive materials, pigments, solar cells, etc., and a new diazonium salt as an intermediate suitable for its producti...
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JPH0586011A |
PURPOSE: To obtain a new azo-based compound, having high sensitivity and improved in light stability by introducing the structure of chrysene which is a quencher into the molecule of the azo-based compound and a new diazonium salt as an ...
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JPH0586006A |
PURPOSE: To obtain a new azo-based compound suitable as various photosensitive materials such as charge producing materials in electrophotographic photoreceptors, pigments, solar cells, etc., and a new diazonium salt as an intermediate s...
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JPH0586010A |
PURPOSE: To obtain a new azo-based compound, having high sensitivity and improved in light stability by introducing the structure of acenaphthenequinone which is a quencher into the molecule of the azo-based compound and a new diazonium ...
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JPH0586009A |
PURPOSE: To obtain a new azo-based compound, improved in sensitivity and light stability by introducing the structure of binaphthalene which is a quencher into the molecule of the azo-based compound and suitable as photosensitive materia...
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JPH0586003A |
PURPOSE: To obtain a new azo-based compound suitable as various photosensitive materials such as charge producing materials in electrophotographic photoreceptors, pigments, solar cells, etc., and a new diazonium salt as an intermediate s...
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JPH0586004A |
PURPOSE: To obtain a new azo-based compound suitable as various photosensitive materials such as charge producing materials in electrophotographic photoreceptors, pigments, solar cells, etc., and a new diazonium salt as an intermediate s...
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JPH0578300A |
PURPOSE: To obtain the new subject compound for liquid crystal, coloring agent for recording, etc., having high light resistance and fastness in a short time and good yield without using a reaction catalyst and specific apparatus by reac...
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JPH0520426B2 |
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JPH0561191A |
PURPOSE: To improve printing resistance and developing property and to prevent print contamination by providing a photosensitive layer containing a specified diazonium compd. and an lipophilic polymer compd. CONSTITUTION: A photosensitiv...
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JPH0539254A |
PURPOSE: To prepare the objective compound without formation of troublesome by-products by allowing a diazo sulfonyl chloride to react with a phenolic compound in the presence of a base which acts as an acid scavenger using a lactone suc...
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JPH0532906A |
PURPOSE: To obtain a new trisazo compound useful as a medium for light recording, ink, filter, optical shutter, photoelectric conversion element, light modulation element and space modulation element because of excellent solubility and l...
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JPH0532904A |
PURPOSE: To provide the title compd. composed of a multi-functional chromophore-containing polymerizable compd. for forming an optical element having non-linear optical properties and characterized in that the multi-functional chromophor...
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JPH0525400A |
PURPOSE: To obtain a new bisazo compound having high solubility, molecular absorption coefficient and reflectance by subjecting a specific bis(diazonium) salt with a coupler to coupling reaction. CONSTITUTION: (A) A bis(diazonium) salt s...
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JPH055822B2 |
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JPH05500204A |
PCT No. PCT/EP90/00513 Sec. 371 Date Jun. 15, 1990 Sec. 102(e) Date Jun. 15, 1990 PCT Filed Mar. 31, 1990 PCT Pub. No. WO90/12073 PCT Pub. Date Oct. 18, 1990.Disclosed are trifluoromethylcyclohexane derivatives of the formula I wherein R...
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JPH051007A |
PURPOSE: To provide a novel diazoamino compound useful as a raw material for optical memories extremely improved in memory densities by writing in a photon mode using UV rays. CONSTITUTION: A diazoamino compound of the formula (at least ...
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JPH051006A |
PURPOSE: To provide a novel azobenzene compound with good reversibility in an optical isomerization reaction, having a large isomerization reaction rate, a large change of absorbed wave length and a photochromic characteristic useful as ...
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JPH04351287A |
PURPOSE: To suppress the oxidation of a metal at the time of soldering not obtaining an inert atmosphere by introducing gas from the outside of a soldering device, but generating the gas from the flux for soldering itself. CONSTITUTION: ...
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JPH0473108B2 |
Diazonium salts which are useful in an assay for bilirubin are disclosed. The novel salts have the structural formula: wherein X- is a stabilizing anion, Y is CO- or SO2-; and R1 and R2 are independently selected from hydrogen, alkyl, ar...
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JPH0470309B2 |
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JPH0469627B2 |
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JPH04316549A |
PURPOSE: To provide a new 4-arylazo-3-aryl or β, β-disubstituted-α, β-unsaturated alkenyl-phenol useful as an intermediate for substituted p-aminophenol delivative for agricultural chemicals, pharmaceuticals, degradable polymers and ...
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JPH0469141B2 |
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JPH04506219A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH0465827B2 |
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JPH04279556A |
PURPOSE: To provide a novel compound having excellent light resistance and fastness and especially useful as a colorant for liquid crystals and recording materials. CONSTITUTION: A compound of formula I [R1, R2 are 1-10C alkyl, alkoxyalk...
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JPH0462307B2 |
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JPH0458459B2 |
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JPH0458458B2 |
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JPH04252270A |
PURPOSE: To provide a new azo dye which is an direct dye giving a level dyeing in yellow shade with excellent color fastness and capable of the one-bath dyeing of polyester/cotton blend fabrics with a disperse dye for the polyester fiber...
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JPH04247059A |
PURPOSE: To new amphiphilic compound which has its molecules particularly suitably structured in highly orderly arrangements by an LB method and especially useful for the manufacture of an optical element for optical devices having nonli...
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JPH0446317B2 |
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