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JP2524628B2 |
Cationic azo dyes of the formula …… where… D is the radical of a diazo or tetrazo component which is free of anionic groups,… X is O or NH,… R<1> and R<2> are each hydrogen, alkyl or aryl,… B is a bridge member and… R<3> an...
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JP2519398B2 |
PURPOSE: To obtain a printing ink which is excellent in waterproofness and resistance to wiping and is suitable for printing paper, wood, etc., by dissolving a purified, desalted, and concentrated specific dye in water, etc. CONSTITUTION...
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JP2515145B2 |
An electrophotographic photoreceptor comprising an electroconductive support having thereon a layer containing a charge carrier-transporting compound and a charge carrier-generating compound or having thereon a layer containing a charge ...
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JP2511291B2 |
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JP2511290B2 |
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JP2510584B2 |
Compounds which, in the form of the free acid, are of the general formula I I where D is phenyl which unsubstituted or substituted by fluorine, chlorine, bromine, nitro, cyano, C1-C4-alkylsulfonyl, C1-C8-alkyl, C1-C4-alkoxy, carboxyl, C1...
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JP2504989B2 |
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JP2504972B2 |
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JP2503468B2 |
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JPH08118799A |
PURPOSE: To record or reproduce with infrared laser having a specific wavelength and to reproduce or record and reproduce even with a near infrared laser having another specific wavelength by incorporating azo compound having the absorpt...
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JPH0833669B2 |
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JPH0833667B2 |
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JPH0833671B2 |
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JPH0833670B2 |
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JPH0833668B2 |
An electrophotographic photoreceptor comprising: (1) an electrophotographic photosensitive layer which comprises a charge carrier transporting compound and a charge carrier generating compound, or (2) an electrophotographic photosensitiv...
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JPH0830903B2 |
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JPH0830897B2 |
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JPH0874197A |
To provide a process for dying paper by dyeing the paper with a specific cationic or basic azo dye in a yellow in reddish orange color having good fastness properties. Paper is dyed in an orange color having excellent light fastness by u...
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JPH0825978B2 |
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JPH0826234B2 |
Disazo compounds of the formula I (I) in which X and Y are identical or different and denote hydrogen, bromine, chlorine, methyl, methoxy, ethoxy, nitro, trifluoromethyl, carbomethoxy or carboethoxy, A1 and A2, independently of each othe...
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JPH0867825A |
PURPOSE: To obtain an new compound giving liquid crystal elements such as display elements excellent in contrast and durability because of having high dichroism and high coloring force, and capable of being safely produced from a benzidi...
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JPH0823704B2 |
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JPH0820740B2 |
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JPH0819339B2 |
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JPH0819340B2 |
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JPH0853627A |
To provide an azo dyestuff which has excellent lightfastness and moisturefastness and is used for dyeing and printing, particularly suitable for inks for ink jet recording by preparing a compound having a structure represented by a speci...
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JPH0853625A |
PURPOSE: To obtain a blue oil-soluble dye compound useful as a dye for coloring a light intensity testing film used in calibrating a light intensity in a light fastness test and a weathering test by giving a structure represented by a sp...
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JPH0814704B2 |
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JPH0813932B2 |
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JPH086059B2 |
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JPH083044B2 |
Compounds of the formula 1:1 and 1:2 metal complexes thereof, salts of such compounds and metal complexes and mixture thereof, wherein each of B1 and B2 is independently hydroxy or amino, each D is independently wherein R is hydrogen, C1...
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JPH07116368B2 |
(i) Metal-free compounds of the formula +TR These compounds are useful as dyes for paper and textiles.
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JPH07116369B2 |
1. Dyestuff of the general formula see diagramm : EP0084314,P18,F1 wherein D = the radical of a diazo component of the benzene or naphtalene series, X = -CH=CH2 , -CH2 CH2 OSO3 H, -CH=CHCl or -CH2 -CH2 Cl, Y = a fibre-reactive fluoropyri...
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JPH07116191B2 |
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JPH07116370B2 |
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JPH07316447A |
PURPOSE: To provide a process for preparing an aminoazo dye which comprises performing the acid hydrolysis of an N-sulfomethylated aminoazo dye with a specified compound and by which the objective product can be obtained in high yield an...
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JPH07104604B2 |
Disclosed are a photoconductive composition containing a new tetrakisazo compound of the following formula (1) and an electrophotographic photoreceptor having a photosensitive layer which contains the tetrakisazo compound of the formula ...
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JPH07292275A |
PURPOSE: To obtain an ink which fixes rapidly and forms sharp and non-frayed edges and finally gives an image of high density and high resolution having excellent water resistance, light fastness and abrasion resistance by employing a wa...
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JPH0791481B2 |
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JPH0788363B2 |
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JPH0784565B2 |
NEW MATERIAL:Compounds of formula I, wherein A is a group of formula II, IIIor IV (wherein R is alkyl, alkoxy, NO2, CN, halogen, halomethyl; n is 0-3). EXAMPLE:Compounds of formula V, wherein R1-R3 are each H. USE:Disazo compds. which ar...
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JPH0778174B2 |
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JPH0778192B2 |
An ink comprises a dye and a liquid medium, wherein said dye is a dye represented by the following Formula: wherein R1 and R2 each represent hydrogen atom, a methyl group, a methoxy group or -SO3M, R3 and R4 each represent a methyl group...
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JPH0774184B2 |
1. A 4,4'-diaminobiphenyl compound of the general formula I see diagramm : EP0196574,P6,F1 in which X denotes the n-propyl, isopropyl, n-butyl, isobutyl, 1-methylpropyl, n-propoxy, isopropoxy, isobutoxy, 1-methylpropoxy or 2-methoxyethox...
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JPH0772253B2 |
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JPH0772252B2 |
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JPH07196931A |
PURPOSE: To obtain a novel dye which dyes cellulosic materials, especially, paper, cotton, viscose, leather, or the like, with good wet and light color fastness and is used in printing inks and recording fluids for ink jet recording syst...
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JPH07173422A |
PURPOSE: To obtain a recording fluid which gives a black-printed record excellent in deepness of color of print and in resistances to light and water when used for recording on plain paper and which has a good storage stability. CONSTITU...
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JPH07166081A |
PURPOSE: To improve performances required for a dye or a recording liquid, in particular storage stability, water resistance, and light resistance, without using benzidine or a derivative thereof by obtaining a specific trisazo compound....
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JPH07150058A |
PURPOSE: To obtain a new compound having high electron charge generating efficiency and high sensitivity and suitable as a photosensitive material such as an electron-generating material, etc., in an electrophotographic photoreceptor and...
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