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JPS5797542A |
PURPOSE: To obtain an electrophotographic receptor having high sensitivity in the whole region of visible light and superior durability by adding a specified disazo pigment to a charge generating layer and a specified hydrazone compound ...
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JPS5797536A |
PURPOSE: To obtain an electrophotographic receptor having high sensitivity in the whole region of visible light and superior durability by adding a specified disazo pigment to a charge generating layer and a specified hydrazone compound ...
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JPS5797538A |
PURPOSE: To obtain an electrophotographic receptor having high sensitivity in the whole region of visible light and superior durability by adding a specified disazo pigment to a charge generating layer and a specified hydrazone compound ...
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JPS5797539A |
PURPOSE: To obtain an electrophotographic receptor having high sensitivity in the whole region of visible light and superior durability by adding a specified disazo pigment to a charge generating layer and a specified hydrazone compound ...
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JPS5797537A |
PURPOSE: To obtain an electrophotographic receptor having high sensitivity in the whole resion of visible light and superior durability by adding a specified disazo pigment to a charge generating layer and a specified hydrazone compound ...
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JPS5796345A |
PURPOSE: To obtain an electrophotographic receptor which is high in sensitivity, has the sensitivity flat over the entire visible light region, and is superior in durability by contg. a specific disazo pigment in an electric charge gener...
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JPS5792065A |
PURPOSE: The titled ink causing neither change in quality nor clogging in the nozzle width even by long-term use, capable of recording images to be stored for a long time, comprising a dye having a specific constitutional formula and a s...
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JPS5726540B2 |
Disclosed are compounds of the formula, in which X is hydrogen, chlorine, C1-4alkyl or alkoxy, -SO3M or -CO2M, one of the Y's is hydrogen, the other -SO3M, A is a mono- or di-sulphonaphthyl radical which is optionally further substituted...
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JPS5787464A |
New water-soluble azo cpds. (I-V) are of formulae (D1-N=N-R)(-N=N-D)m (I), (R-N=N-T-N=N-R)(-N=N-D)n (II), (R-N=N-T-N=N-K)(-N=N-D)n (III), (R-N=N-T-N=N-)2K (IV) or R-N=N-X(-N=N-T-N=N-)X-N=N-R (V) (in which D is the aromatic gp. of a diazo...
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JPS5780455A |
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JPS5717902B1 |
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JPS5754937A |
PURPOSE: To obtain an azide compound having sensitivity up to a longer wavelength region and suitable for use as a photosensitive compound added to a photosensitive resin used in the phoographic industry, etc. by diazotizing Bismark brow...
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JPS5747378A |
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JPS5744668A |
To prepare concentrated solutions of cationic polyazo dyestuffs of the formula in which R represents hydrogen or methyl and R1 represents an alkyl radical which has 1 to 3 carbon atoms and is optionally substituted by hydroxyl, alkoxy or...
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JPS5738857A |
Novel tris-azo dye compositions and a liquid crystal composition containing the tris-azo dye compositions are disclosed. The tris-azo dye composition having terminal aromatic groups has the general formula: wherein R1 and R2 are various ...
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JPS5721460A |
PURPOSE: To obtain the titled pigment having excellent resistance to weather, bleed and heat, and coloring powder, by a method wherein a specified disazo compd. is heat-treated in an org. solvent selected from a nitrogen-contg. basic omp...
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JPS573858A |
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JPS56156817A |
PURPOSE: To obtain the color display which has the brightness intensified at the voltage applying time and is adapted to time division driving, by specifying the ratio of the pitch to the thickness of the liquid crystal layer under the c...
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JPS5645960B1 |
The apparent whitness for fabric is increased by application of up to 3 ppm. by wt. of the fabric, the mixture of blue dyes of different shades but the same substantivity with respect to the fabric, in aq. soln. of concn. 0.01-0.2 ppm an...
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JPS56128949A |
PURPOSE: To obtain a long-life photoreceptor of high dark place charge potential, fast potential attenuation by exposure and good flexibility by containing a specific azo pigment as a charge generating material in a charge generating lay...
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JPS56126839A |
PURPOSE: To provide a novel disazo compound capable of being manufactured using simply available diamine easy to handle as starting material and giving an electrophotographic receptor with high sensitivity and high endurance. CONSTITUTIO...
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JPS56125454A |
PURPOSE: To prepare a disazo cpd. with a specified crystal form, excellent in heat resistance and mechanical property, by the reaction of a tetradiazonium salt with a specified cpd. in an org. solvent. CONSTITUTION: A tetradiazonium salt...
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JPS5641662B1 |
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JPS56122038A |
PURPOSE: To obtain an electrophotographic receptor retaining its characteristics even after subjected to charging, exposure, development, and erasion of a latent image in repeated times, by laminating a layer containing a specified azo p...
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JPS56122037A |
PURPOSE: To obtain an electrophotographic receptor retaining its characteristics even after subjected to charging, exposure, development, and erasion of a latent image in repeated times, by laminating a specified azo pigment-containing l...
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JPS56116038A |
PURPOSE: To obtain the subject photographic receptor exhibiting sensitivity same as or above that of Se to white light, by adding a compound having a specified X-ray diffraction value or a crystalline compound, to a charge transfer subst...
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JPS5635866B2 |
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JPS5681367A |
A process for producing monoazo or disazo pigments, which process comprises: (a) adding to a solution of a diazonium and/or tetrazonium salt of an aromatic or heterocyclic amine a solution or suspension containing 0.1-50% by weight of th...
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JPS5680050A |
PURPOSE: To obtain a receptor having satisfactory charging characteristics in the dark and superior endurance and showing a high charge disappearing speed in the exposed part by forming a charge generating layer contg. a specified azo dy...
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JPS5618621B2 |
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JPS5641258A |
NEW MATERIAL:A dis-azo compound represented by the formula. USE: The dis-azo compound is useful as a coloring agent for plastic products, paints, inks, leathers, etc., made from ABS, PVC, amino resins or the like, and can color such prod...
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JPS5611941B1 |
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JPS5611945B2 |
1520590 Electro-photographic members OCE-VAN DER GRIMTEN NV 25 June 1976 [4 July 1975] 26500/76 Heading G2C [Also in Division C4] An electro-photographic member comprises a conductive support and layer containing a binder and a photo-con...
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JPS5611942B1 |
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JPS5610353B2 |
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JPS5620061A |
New trisazo compounds that are useful as developed direct black dyes for cellulosic textiles and as self-shade dyes for paper and leather having the structure: wherein R' is at least one of the following groups: and M is H, Na, K, Li, N(...
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JPS5615295A |
Azo cpds. of formula D-N:N-C(P(O)R4R5)(COOR2)-CH2-COOR1 (I) are new (D is the residue of a diazo component; R1 and R2 are opt.substd. alkyl, aryl, alkenyl, cycloalkyl, aralkyl or heteroaralkyl; R3 is OR1 or NR1R2; R4 is R1 or R3). Pref. ...
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JPS5550990B1 |
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JPS5549087B1 |
1339068 Disazo pigment mixtures FARBWERKE HOECHST AG 19 April 1971 [14 March 1970] 24056/71 Heading C4P The invention comprises the mixtures of disazo dyes obtained by coupling tetrazotized 4,41-diamino-3,31-dichlorodiphenyl with a mixtu...
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JPS55151060A |
PURPOSE: To prepare disazo pigment fine powder free from agglomerates and usable as an electrophotographic photosensitive material without further pulverization, by reacting a tetrazonium salt with a coupling component, washing the react...
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JPS55135181A |
A nucleated organic azo pigment prepared by reacting in an aqueous solution at least one particularly restricted amine, especially 4- aminobenzamide, with at least one other primary aryl amine and at least one coupling agent in the prese...
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JPS55135165A |
PURPOSE: To produce an azo pigment useful in the coloration of rubber, etc., by coupling a tetrazotized 3,3'-dichlorobenzidine with a mixture containing a carboxyl or sulfonic group-containing acetoacetanilide type compound. CONSTITUTION...
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JPS55125158A |
Polyazo dyestuffs of the formula (I) wherein D denotes the radical of a diazo component and n denotes the number 1 or 2, and their use for dyeing and printing fibre materials containing amino groups or hydroxyl groups, and leather. The r...
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JPS55104355A |
Compounds of the formula where X is an oxygen atom or a bridge member of the formula -SO2-NH-SO2-, Y1 and Y'1 are each independently of the other hydrogen, chlorine, sulfo or a low molecular weight alkoxy or alkyl group, Y2 is hydrogen o...
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JPS5530216B2 |
A dye developer represented by the following general formula (I): OY X-N=N-Z-N= (I) ¦ (R)n WHEREIN X represents the atoms necessary for completing a monocyclic or polycyclic aromatic group; Y represents an acyl group having 1 to 4 carbo...
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JPS5529419B1 |
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JPS5598977A |
The process is characterised in that for dyeing an aqueous dyeing liquor and for printing an aqueous print paste are used, containing an alkali-stable metal-free or metal-containing monoazo, disazo, trisazo or polyazo direct dye which co...
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JPS5598253A |
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JPS5582159A |
1. Azo dyestuffs which optionally contain metals and which, in the form of the free acid, correspond to the formula see diagramm : EP0012350,P11,F1 wherein R1 and R2 are the radical of an optionally functionally modified coupling compone...
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JPS5521783B1 |
Pigments of the formula wherein X1 and X2 may be the same or different from one another and each is hydrogen, chlorine, fluorine, bromine, lower alkyl having 1 to 3 carbon atoms or alkoxy having 1 to 3 carbon atoms; and wherein R1 and R2...
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