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JPS6219736B2 |
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JPS6219744B2 |
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JPS6219745B2 |
An electrophotographic element comprising an electrically conductive support and a mono-layer or multi-layer type photosensitive layer, superposed thereon, containing as an active ingredient a disazo pigment having the following general ...
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JPS6219743B2 |
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JPS6219746B2 |
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JPS6219741B2 |
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JPS6289770A |
NEW MATERIAL:A trisazo compound of formula I (R1 is alkyl, alkoxy, nitro, dialkylamino, or halogen; n is 0W3, R2 is alkyl, cycloalkyl or aralkyl). EXAMPLE: A compound of formula II. USE: Photoconductive materials. PREPARATION: To a hexaz...
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JPS6216982B2 |
A bis-azo compound of the formula wherein A represents wherein R represents alkyl, alkoxy, nitro, dialkylamino or halogen, and n represents an integer 0, 1, 2 or 3 and when n is 2 or 3, R represents identical or different substituents se...
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JPS6274962A |
Water-soluble disazo dyes of the formula I where R<1> is alkyl, alkoxy or alkoxyethoxy each of 3-6 carbon atoms, B<1> is for example the radical of a 1-amino-8-hydroxynaphthalene-mono- or -disulphonic acid and B<2> is for example B<1>, a...
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JPS6215097B2 |
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JPS6214583B2 |
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JPS629269B2 |
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JPS6245081A |
PURPOSE:To enable the equimagnification sensor provided with photoelectric conversion elements by arranging individual electrodes, common electrodes, and a photoconductive film consisting of mainly a specified azo dye. CONSTITUTION:In an...
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JPS6245664A |
Trisazo compounds of the formula where Z is X and Y independently of one another are each C1-C24-alkoxy, benzyloxy, phenylethoxy, mono-C1-C24-alkylamino, monobenzylamino, monophenylethylamino, monophenylamino, bis-C1-C24-alkylamino, N-C1...
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JPS626590B2 |
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JPS622594B2 |
2,5-Bis-(4'-aminophenyl)-1,3,4-oxadiazoles which are chlorinated in the phenyl nuclei are obtained by condensing hydrazine or a hydrazine yielding agent with equal or different chlorinated benzoic acids or acylating acid derivatives havi...
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JPS6211772A |
NEW MATERIAL:A compound of formula I (R is alkyl, alkoxy, nitro, dialkylamino, or halogen; n is 0W3). USE: Photoconductive material for electrophotographic photosensitive substance. PREPARATION: A hexazonium salt of formula II (X is anio...
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JPS621282A |
PURPOSE:To increase the speed of response and the SN ratio by forming a photoconductive film mainly comprising at least one kind of a fluorenone compound, an alpha-substituted stilbene compound, a diarylmethane compound, an anthracene co...
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JPS61285773A |
PURPOSE:To improve the response speed of a picture reading and equi- multiplying sensor having a photoelectric conversion element, by including at least one of a specified hydrazone compound and a specified azo pigment in an optical cond...
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JPS61285774A |
PURPOSE:To improve the response speed of a picture reading and equi- multiplying sensor having a photoelectric conversion element, by including at least one of a specified hydrazone compound and an azo pigment in an optical conductor as ...
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JPS61283666A |
(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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JPS61278176A |
PURPOSE:To contrive the improvement in response speed by adding a specified anthracene compound and a specified azo pigment in a photoconductor as effective components. CONSTITUTION:On an insulating substrate, a photoelectric conversion ...
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JPS61274228A |
PURPOSE: To obtain an organic photoelectric converting element of excellent responding speed and SN ratio (Photoelectric current/Dark current) characteristic, by adding donar-diallylmethane compound to azo dye. CONSTITUTION: A photocondu...
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JPS61274229A |
PURPOSE: To obtain an organic photoelectric converting element of excellent responding speed and SN ratio (Photoelectric current/Dark current) characteristic, by adding donor divinylbenzene compound to azo dye. CONSTITUTION: A photocondu...
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JPS61246260A |
@ This invention is directed to new azoacylacetamide dispersing agents for azo pigments and azo pigment compositions made therefrom. The pigment compositions of this invention comprise a mixture of dispersing agents which are represented...
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JPS61243861A |
NEW MATERIAL:Tetrazo compounds of formula I, wherein M is H, alkali metal; R1 is alkyl; R2 is alkoxy; R3, R4 are each alkyl, alkoxy; X is halogen, a group of formula II; R5, R6 are each H, SO3H, halogen, alkyl, alkoxy; R7 is H, alkyl. US...
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JPS61241763A |
PURPOSE: To obtain a photosensitive body high in sensitivity and superior in durability by forming a layer contg. a specified disazo pigment on a conductive substrate. CONSTITUTION: The layer formed on the conductive substrate contains a...
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JPS61238874A |
PURPOSE: To provide the titled compsn. which has excellent ejectability, gives an image having excellent resistance to water and light and is useful as magenta water-based ink, containing a specified water-soluble dye. CONSTITUTION: An i...
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JPS6147826B2 |
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JPS61229850A |
4,4'-diaminodiphenyl compounds of the formula in which R is an n-butyl, isopentyl or phenyl group and A is equal to zero or an equivalent of an inorganic acid are prepared by reducing an n-butyl, isopentyl or phenyl ether of o-nitropheno...
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JPS6146499B2 |
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JPS61229853A |
Bis-diazonium salts of the formula (1) …… in which R is a straight-chain or branched alkyl or alkoxyalkyl radical of 3-5 carbon atoms and X<-> is the radical of a strong acid or of a zinc chloride double salt are prepared by diazotis...
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JPS61225255A |
bis-Diazo compounds of the formula (1) in which R is a straight-chain or branched alkyl or alkoxyalkyl radical of 3 to 5 carbon atoms and Y is an anti-diazotate radical -N=N-O<->ME<+>, in which ME represents a potassium atom or sodium at...
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JPS6142944B2 |
Bleed-fast, dyed cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble dialdehyde, preferably glyoxal or glutaraldehyde. An aqueous printing flui...
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JPS6140104B2 |
An electrophotographic plate comprising a conductive substrate and a photosensitive layer containing an organic photoconductor layer composed of a hydrazone compound represented by the general formula (I): (I) (wherein R1 and R2 are an a...
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JPS61200173A |
PURPOSE: To obtain disazo pigment useful for coloring resins, having improved transparency, heat resistance, etc., by coupling tetrazotized dichorobenzidine with chlorodimethoxyacetanilide and a specific diamide. CONSTITUTION: Tetrazotiz...
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JPS6136023B2 |
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JPS6135547B2 |
A layered xerographic photoconductor having a charge generating layer which includes a photosensitive dye molecule which is soluble in chlorinated organic solvents, specifically methylene chloride, the dye molecule being X = O,NH n >/= 1...
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JPS6134675B2 |
An electrophotographic light-sensitive medium is described comprising at least an electrically conductive layer, a charge generation layer and a charge transport layer, the charge generation layer containing a dis-azo compound represente...
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JPS6130265B2 |
An electrophotographic plate comprising an electroconductive substrate and a photosensitive layer coated thereon, wherein said photosensitive layer comprises an azo compound represented by the general formula (I) (I) wherein A is a dival...
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JPS6129499B2 |
The present invention provides an electrophotographic element which comprises an electroconductive support and a photosensitive layer, formed thereon, which contains some disazo pigment expressed by the general formula +TR [wherein A rep...
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JPS61140945A |
PURPOSE: To enhance photosensitivity and printing resistance by forming an electrophotographic sensitive layer composed of 2 layers of an electrostatic charge generating layer contg. a specified azo pigment and a charge transfer layer on...
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JPS61140944A |
PURPOSE: To enhance photosensitivity and printing resistance by forming an electrophotographic sensitive layer composed of 2 layers of an electrostatic charge generating layer contg. a specified azo pigment and a charge transfer layer ma...
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JPS6127415B2 |
Bisdiazotisation of 2,5-bis(4'-aminophenyl)-1,3,4-oxadiazoles, which may be substituted in the phenyl moieties, and coupling onto 2 mol equivalents of one or more coupling components that are free of water-solubilising groups produces pi...
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JPS6126774B2 |
Compounds of the formula wherein one of the pairs of substituents X and X' on the one hand and Y and Y' on the other hand stands for nitro and the other for amino and wherein n is 1 to 4, are diazo components, especially for disazo pigme...
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JPS61129653A |
PURPOSE: To enhance sensitivity and to stabilize potential characteristics at the time of repeated uses by forming a photosensitive layer contg. a specified disazo compd. represented by a specified chemical formula to form an electrophot...
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JPS61121060A |
PURPOSE: To form a material high in sensitivity for forming a printing plate high in printing resistance by forming an electrophotographic sensitive layer composed of both of an electrostatic charge generating layer contg. a specified az...
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JPS61121061A |
PURPOSE: To form a material high in sensitivity for forming a printing plate high in printing resistance by forming an electrophotographic sensitive layer composed of both of an electrostatic charge generating layer contg. a specified az...
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JPS6122300B2 |
PURPOSE:To use a specific disazo pigment effective for various electrophotographic processes. CONSTITUTION:The disazo pigment having a 2, 2'-dinitrobiphenyl nucleus represented by the formula I, where X denotes a ( substituent) aromatic ...
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JPS6122301B2 |
PURPOSE:To use a specific disazo pigment effective for various electrophotographic processes. CONSTITUTION:The disazo pigment having a 5, 5'-dimethoxy-2,2'-dinitro-biphenyl nucleus represented by the formula, where X denotes a (substitue...
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