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JPH0354140B2 |
Asymmetric molecules having a plurality of arylazo linking groups bis-substituted aryl thiazyl end groups, and either naphthyl perimidine or julolidene end groups, are found to be dichroic dyes which form guest-host combinations with nem...
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JPH0350263B2 |
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JPH0349946B2 |
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JPH0340384B2 |
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JPH0338582B2 |
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JPH0336223B2 |
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JPH0335658B2 |
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JPH0334503B2 |
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JPH0331259B2 |
PURPOSE:To obtain a photosensitive body contg. an azo compd. superior in heat and light stability and capable of generating carriers by incorporating a specified azo compd. in the part of a photosensitive body on a conductive substrate. ...
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JPH0331258B2 |
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JPH0331257B2 |
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JPH0331256B2 |
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JPH0330135B2 |
PURPOSE:To obtain a photosensitive body having superior electrophotographic characteristics such as charge retentivity, sensitivity and residual potential by using an azo compound represented by a specified formula as a photoconductive s...
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JPH0330134B2 |
PURPOSE:To enhance sensitivity, repetition use characteristics, etc., by using a specified azo compd. stable agaist heat and light and superior in carrier generating ability as a photoconductor for constituting a photosentive layer. CONS...
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JPH0397760A |
NEW MATERIAL:A compound shown by formula I {Y is H, halogen, cyano, alkyl or alkoxy; R1 is H, halogen, alkyl or acyl; A is group shown by formula II to VII [Z is (substituted) aromatic hydrocarbon; Q is (substituted) carbamoyl or sulfamo...
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JPH0352964A |
NEW MATERIAL: A compd. represented by formula (wherein R is H, 1-4C alkyl, 1-4C alkoxy, aryl or 4-8C cycloalky, etc.; R1 is A, 1-4C alkyl or aryl; R2 is NH2, OH or SO3A; R3 is NH2 or OH; R4 is NH2, OH, SO3A or H and A is substituted ammo...
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JPH0315944B2 |
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JPH0314342B2 |
PURPOSE:To obtain an electrophotographic sensitive body excellent in carrier generating performance, capable of combining with a wide range of carrier transfer substances, and to improve stability, sensitivity, durability, etc., by formi...
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JPH0314343B2 |
PURPOSE:To obtain a novel photosensitive material for electrophotograph, stable to heat and light, high in carrier-generating ability, also with outstanding characteristics such as electric charge retention in long wavelength region, sen...
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JPH0312589B2 |
Compounds of the general formula in which R1 and R2 are identical or different and denote hydrogen, chlorine or bromine, methyl, ethyl, methoxy, ethoxy or nitro and K denotes identical or different radicals of enolizable ketomethylene co...
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JPH0311464B2 |
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JPH0311465B2 |
PURPOSE:To improve the sensibility and durability by using a specified diazo compd. as a carrier generating agent. CONSTITUTION:A disazo compd. expressed by the formula I (wherein R is H, halogen, alkyl, or alkoxy; n is an integer 1 or 2...
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JPH0311466B2 |
PURPOSE:To enhance sensitivity, to reduce residual potential, and to improve durability by forming a photosensitive layer contg. a specified azo compd. on a conductive substrate. CONSTITUTION:A photosensitive layer formed on a conductive...
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JPH0310938B2 |
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JPH0310302B2 |
PURPOSE:To obtain an electrophotographic sensitive body having superior electrostatic chargeability, sensitivity and image forming capacity and less fluctuation in the sensitivity and electrostatic chargeability even after repreated use ...
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JPH0310303B2 |
PURPOSE:To obtain an electrophotographic sensitive body having superior characteristics by forming a photosensitive layer contg. a specified azo compound on an electrically conductive support. CONSTITUTION:An azo compound using N-substit...
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JPH039462B2 |
An electrophotographic photosensitive member comprises a photosensitive layer containing a disazo pigment represented by the formula, wherein R1 and R2, which may be either identical or different, each represent hydrogen atom, alkyl grou...
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JPH037940B2 |
PURPOSE:To obtain an electrophotographic sensitive body stable against heat and light, superior in carrier generating ability, high in sensitivity, low in residual potential, and superior in durability by incorporating a specified tetrak...
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JPH037936B2 |
PURPOSE:To obtain an electrophotographic sensitive body superior in electrostatic chargeability characteristics, sensitivity, durability, etc., by incorporating a specified bisazo compd. in a photosensitive layer as a carrier generating ...
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JPH037943B2 |
PURPOSE:To enhance sensitivity and heat and light stability by incorporating a specified tetrakisazo compd. CONSTITUTION:A carrier generating layer 2 formed on a conductive substrate 1 is composed essentially of a tetrakisazo compd. repr...
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JPH037941B2 |
PURPOSE:To obtain an electrophotographic sensitive body stable against heat and light, superior in carrier generating ability, high in sensitivity, low in residual potential, and superior in durability by incorporating a specified tetrak...
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JPH037938B2 |
PURPOSE:To obtain an electrophotographic sensitive body superior in electrostatic chargeability characteristics, sensitivity, durability, etc., by incorporating a specified bisazo compd. in a photosensitive layer in combination with one ...
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JPH037937B2 |
PURPOSE:To enhance sensitivity of an electrophotographic sensitive body, especially of a function separated type, to light in the long wavelength region of a semiconductor laser, etc., and to elevate durability by incorporating a specifi...
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JPH037939B2 |
PURPOSE:To obtain an electrophotographic sensitive body superior in sensitivity to light in the long wavelength region and also in durability, etc., by incorporating a specified bisazo compd. as a carrier generating substance in a photos...
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JPH037942B2 |
PURPOSE:To enhance sensitivity and stability by incorporating a specified tetrakisazo compd. CONSTITUTION:A carrier generating layer 2 formed on a conductive substrate 1 is composed essentially of a tetrakisazo compd. represented by form...
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JPH0317161A |
NEW MATERIAL:A compound shown by formula I [A is H or lower alkyl; Z is benzene ring, naphthalene ring or (substituted) carbazole ring; R is H, halogen, lower alkyl, lower alkoxy or nitro; n is 1-3]. USE: An organic photoconductive mater...
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JPH032912B2 |
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JPH039969A |
PURPOSE: To obtain a water-based ink composition improved in strengths, glossiness and transparency by mixing a water-based vehicle with a diarylide pigment and a specified azomethine compound. CONSTITUTION: One to fifty wt.% diarylide p...
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JPH039957A |
PURPOSE: To obtain an azomethine compound which when added to a diarlylide and a disazopyrazolone pigment modifies their tinting strength, transparency, etc., by selecting a specified azomethine compound. CONSTITUTION: An azomethine comp...
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JPH03623B2 |
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JPH0260171B2 |
PURPOSE:To provide high sensitivity, small residual potential, freedom from a change in characteristic even after repetitive use and excellent durability by incorporating a specific disazo compd. into a photosensitive layer. CONSTITUTION...
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JPH0259980B2 |
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JPH0260169B2 |
PURPOSE:To obtain an electrophotographic sensitive body stable against heat and light and superior in carrier generation function by using a specified trisazo pigment as a carrier generating material. CONSTITUTION:A photoconductor compos...
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JPH0260173B2 |
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JPH0260174B2 |
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JPH0260170B2 |
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JPH0260175B2 |
PURPOSE:To enhance sensitivity, to reduce residual potential, to prevent these characteristics from change due to repeated uses, and to enhance durability by incorporating a specified azo compd. in a photosensitive layer. CONSTITUTION:Th...
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JPH0260172B2 |
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JPH0251503B2 |
A photoreceptor comprising a support and thereon a photosensitive layer containing an azo compound.
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JPH0251502B2 |
A photoreceptors suitable for use with semiconductor lasers have a photosensitive layer containing an azo compound able to act as a carrier-generating material, and having the following Formula wherein Y1, Y2, Y3 and Y4 are each hydrogen...
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