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JP2620975B2 |
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JP2618270B2 |
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JP2615805B2 |
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JP2612301B2 |
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JP2612169B2 |
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JP2611209B2 |
The present invention relates to a photosensitive member containing a specific azo compound for a charge generating agent, which is improved in photosensitive properties, in particular, sensitivity.
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JP2612359B2 |
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JP2612368B2 |
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JP2609388B2 |
Water-insoluble azo colorants, their preparation and use The invention relates to monoazo and disazo compounds of the formula (I) (I) in which D is the radical of a carbocyclic or heterocyclic diazo or bisdiazo component, R1 and R2, inde...
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JP2608310B2 |
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JP2603304B2 |
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JP2601299B2 |
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JP2597911B2 |
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JP2592268B2 |
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JP2592261B2 |
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JP2591168B2 |
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JPH0948924A |
To produce a trisazo pigment having stable quality selectively and stably in high purity by removing by-products as much as possible from reaction product containing the trisazo pigment. This process for producing a trisazo pigment by co...
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JPH0931348A |
To obtain a direct disazo dye which is suitable for dyeing a substrate having hydroxyl, amino groups, etc., by reacting a specific monoazo dye with a compd. having amine-reactive groups in a specified molar ratio. A monoazo dye represent...
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JPH0931349A |
To obtain a polyazo dye which is suitable for dyeing or printing a substrate having hydroxyl, amide groups, etc., by tetrazotizing a specific diamine and coupling the resulting tetrazo compd. with a piperazine-base coupling component. A ...
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JP2574059B2 |
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JPH0912910A |
To improve e.g. discharge stability, discharge responsiveness or dissolving storage stability as a recording liquid for ink jet and obtain a recording image excellent in brightness and heat resistance, etc., by using a specific tetrakisa...
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JP2566431B2 |
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JP2562206B2 |
A photoconductive imaging member comprised of a supporting substrate; a photogenerating layer comprised of a bisazo compound of the formula wherein Cp is an azoic coupler selected from the group consisting of +TR wherein Ar is an aromati...
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JP2560705B2 |
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JP2561089B2 |
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JP2559758B2 |
Disazo compounds based on 4,4'-diaminodiphenyl compounds contain not less than 50% by weight of a disazo compound of the general formula A-N=N-Z-N=N-B (I) where Z is a radical of an unsubstituted of symmetrically substituted diphenylene,...
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JP2556079B2 |
The present invention relates to a photosensitive member containing a specific azo compound for a charge generating material represented by the following general formula (I); [I] wherein A represents an aromatic hydrocarbon group or a he...
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JPH08302220A |
PURPOSE: To obtain the subject new compound of a specific structure, having modified ejection stability, ejection responsiveness, storage stability in a solution, etc., excellent in the sharpness of recording image, heat resistance, wate...
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JPH08302221A |
PURPOSE: To obtain the subject new compound of a specific structure, having modified ejection stability, ejection responsiveness, storage stability in a solution, etc., excellent in the sharpness of recording image, heat resistance, wate...
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JP2552732B2 |
The dyes of the formula in which R, M, X, Y and n have the meaning indicated in Claim 1, are outstandingly suitable for dyeing paper in blue shades.
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JPH08295688A |
PURPOSE: To produce the subject new compound, useful as a substance, etc., for generating charge carriers of electrophotographic photoreceptors, excellent in stability and electrification characteristics and having high sensitivity and d...
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JPH08295808A |
PURPOSE: To obtain a pigment capable of providing a color filter having excellent spectral characteristics, especially a high color purity and transmittance by mixing a specific disazo pigment with a coloring composition pigment for red ...
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JP2551946B2 |
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JP2548719B2 |
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JP2544978B2 |
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JP2543557B2 |
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JP2544979B2 |
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JPH08262764A |
PURPOSE: To provide an electrophotographic photoreceptor having high sensitivity and high durability. CONSTITUTION: At least one of azo compds. represented by formulae I, II is incorporated as a photoconductive material into a layer on a...
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JP2538391B2 |
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JP2538392B2 |
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JP2538266B2 |
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JP2538393B2 |
An electrophotographic photosensitive member comprises an electroconductive support and a photosensitive layer formed thereon. The photosensitive layer contains a compound represented by the general formula: The compound provide an elect...
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JP2538396B2 |
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JPH08245894A |
To obtain a water-sol. polyazo dye which is suitable for dyeing leather and paper and gives a writing ink and an ink jet recording liq. by synthesizing a specific water-sol. polyazo dye. The water-sol. polyazo dye is represented by formu...
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JPH08240715A |
PURPOSE: To obtain a polarizing film high in contrast by uniaxially orienting a specific polyvinyl alcohol film, by a dry system and applying the adsorption/ orientation, then applying a high temp. boric acid-containing aq. solution trea...
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JPH08235343A |
PURPOSE: To read an image having a high contrast and a high definition, to easily handle a device, and to eliminate a bad influence upon a control system and peripheral mechanisms by using a laser light source as the light source of read...
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JP2534154B2 |
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JP2534156B2 |
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JPH08217983A |
To improve abrasion, wetting treatment, wet abrasion, and light fastness by diazotating a particular amine to prepare a diazotation product which is then subjected to coupling. A diazotation product prepd. by diazotating an amine of form...
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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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