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JPS6329737B2 |
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JPS6329739B2 |
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JPS6329736B2 |
An electrophotographic photosensitive member comprises a layer containing at least one disazo pigment represented by the formula: wherein R1 and R2 each represent hydrogen, halogen, lower alkyl or lower alkoxy; R3 represents methyl, ehty...
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JPS6329740B2 |
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JPS6329734B2 |
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JPS63141952A |
NEW MATERIAL:A compound shown by formula I (X is anionic functional group). USE: Useful as an intermediate for synthesizing a bisazo compound, an organic photoconductor for an electrophotographic sensitized material showing high sensitiv...
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JPS63135457A |
Trisazo dyes of the formula where R1, R2, R3 and R4 are identical or different and each, independently of the others, is hydrogen, methyl, ethyl, methoxy or chlorine, R5 is C2-C4-alkyl, X is C1-C24-mono- or dialkylamino, monobenzylamino,...
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JPS6327386B2 |
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JPS63105079A |
An ink for ink-jet printing comprising a solution of C.I. Direct Black 168.
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JPS6397667A |
NEW MATERIAL:Disazo compds. of formula I (wherein X is O, S or a group of formula II; Z is an atomic group capable of forming a naphthalene, anthracene, benzcarbazole or carbazole ring together with a benzene ring; R1 is H, a lower alkyl...
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JPS6318740B2 |
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JPS6317299B2 |
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JPS6317300B2 |
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JPS6312905B2 |
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JPS6356571A |
PURPOSE: To obtain a black water based-ink, containing a specific water-soluble dye, capable of giving clear images having excellent light and water resistance without precipitating during preservation and clogging nozzles and useful for...
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JPS6356575A |
PURPOSE: To obtain a water-based ink, containing a specific water-soluble dye, capable of giving clear images having excellent light and water resistance without precipitating during preservation and clogging nozzles and useful for ink j...
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JPS6356572A |
PURPOSE: To obtain a water-based ink, containing a specific water-soluble dye, capable of giving clear images having excellent light and water resistance without precipitating during preservation and clogging nozzles and useful for ink j...
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JPS6356574A |
PURPOSE: To obtain a water-based ink, containing a specific water-soluble dye, capable of giving clear images having excellent light and water resistance without precipitating during preservation and clogging nozzles and useful for ink j...
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JPS6356573A |
PURPOSE: To obtain a water-based ink, containing a specific water-soluble dye, capable of giving clear images having excellent light and water resistance without precipitating during preservation and clogging nozzles and useful for ink j...
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JPS6351485A |
PURPOSE: To obtain the titled water based ink for ink jet recording, having improved jetting characteristics, improved clarity, water resistance and light resistance of picture image free from nozzle clogging, containing specific water- ...
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JPS6337174A |
PURPOSE: To obtain the titled composition suitable for printing, writing tools, recorders, stamps, etc., causing neither precipitation in preservation nor nozzle clogging, providing picture images with improved light resistance and water...
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JPS637220B2 |
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JPS6330565A |
NEW MATERIAL:Compds. of formula I [wherein X is a naphgthalene ring having 0W2 groups selected from the group consisting of OH, SO3M, COOM and NHY (wherein M is a base selected from the group consisting of alkali metals, ammonium and ami...
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JPS6330574A |
PURPOSE: To obtain the title composition which has excellent discharge characteristics, does not cause clogging of a nozzle, and gives a printed image with excellent definition, water resistance, and light resistance, by using a specifie...
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JPS6330575A |
PURPOSE: To obtain the title composition which has excellent discharge characteristics, does not cause clogging of a nozzle, and gives a printed image with excellent definition, water resistance, and light resistance, by using a specifie...
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JPS633911B2 |
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JPS633910B2 |
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JPS6310669A |
PURPOSE: To produce a disazo pigment which gives a printing ink having excellent flow characteristics, by coupling a tetrazotized 3,3'-dichlorobenzidine with acetoacetanilide and anthranilic acid. CONSTITUTION: Hydrochloric acid is added...
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JPS6261620B2 |
The present invention concerns a new acid trisazo dye suited for the dyeing of natural and synthetic polyamidic fibres and particularly for the dyeing of leather. The dye has the following structural formula: (I) and dyes in a full black...
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JPS6261266B2 |
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JPS62288659A |
NEW MATERIAL:A compound of formula I (D is residue of hexakisazo dye; [A]+ is aliphatic ammonium ion, alicyclic ammonium ion, aromatic ammonium ion or quaternary ammonium ion; M is H, Na, K, Li or NH4; m is 1Wn; n is total number of sulf...
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JPS62276562A |
PURPOSE: To enhance electric chargeability, photodecay sensitivity, and resistance to residual potential by forming an interlayer made of a heat hardenable resin containing a specified disazo pigment. CONSTITUTION: The interlayer of an e...
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JPS62276563A |
PURPOSE: To enhance electric chargeability, photodecay sensitivity, and resistance to residual potential by forming an interlayer made of a heat hardenable resin containing a specified disazo pigment. CONSTITUTION: The interlayer of an e...
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JPS62276560A |
PURPOSE: To enhance electric chargeability, sensitivity, and resistance to residual potential by forming an interlayer made of a heat hardenable resin containing a specified trisazo pigment. CONSTITUTION: The interlayer of an electrophot...
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JPS6255663B2 |
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JPS62260876A |
NEW MATERIAL:Azo compds. of formula I {wherein R is a group of formula II, III, IV or V; R1 is H, CH3 or SO3M [wherein M is H, an alkali metal or an (org.) ammonium group]; R2 is H or SO3M; R3 is a 4W16C alkyl; and when R is SO3M, any of...
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JPS62257971A |
(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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JPS62232472A |
PURPOSE: To provide the titled compsn. which gives a clear image having excellent resistance to light and water, has excellent shelf stability and Ames characteristics and does not cause the clogging of nozzles, containing a specified dy...
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JPS6247230B2 |
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JPS6247300B2 |
An electrophotographic light-sensitive medium is described comprising a light-sensitive layer containing a dis-azo compound represented by Formula (1) (1) wherein A represents a coupler having aromatic properties.
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JPS6247301B2 |
An electrophotographic light-sensitive medium comprising a light-sensitive layer containing a dis-azo compound represented by Formula (1)wherein A represents a single chemical bond, a divalent hydrocarbon group containing a conjugated do...
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JPS6243175B2 |
An electrophotographic photoconductor comprising, on an electroconductive support material, a photoconductive layer containing a bisazo pigment having a phenanthrenequinone substituent, which electrophotographic photoconductor exhibits r...
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JPS62197460A |
PURPOSE: To obtain a yellow disazo pigment having excellent tinting power, by coupling tetrazotized 3,3'-dichlorobenzidine with an acetoacetanilide and a specified compd. CONSTITUTION: Tetrazotized 3,3'-di-chlorobenzidine is coupled with...
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JPS6239626B2 |
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JPS6232222B2 |
Organic compounds known as direct dyes are known to be useful as coloring agents for paper and fabrics. Within this group of organic compounds are the so-called water-soluble azo and disazo dyes and their acid addition salts. However, hi...
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JPS62156166A |
NEW MATERIAL:A compound shown by formula I [group shown by formula II is group shown by formula III (n is 1W3) or group shown by formula IV; group shown by formula V is atomic group required for forming benzene ring, naphthalene ring or ...
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JPS6229464B2 |
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JPS62116669A |
Sulfo-free compounds of the formula where R is hydrogen or C1-C4-alkyl and K1 and K2 independently of one another are a radical of a coupling component, and the rings A and B may furthermore be monosubstituted or polysubstituted by fluor...
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JPS6221827B2 |
Bis-azo compounds represented by the general formula where 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 differen...
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JPS6219742B2 |
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