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US4514482A Expired / Lapsed US ⏱️ 0.0 years remaining

Photoconductive devices containing perylene dye compositions

Assignee: Xerox Corp
•
Filing: 1984-03-08
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Granted: 1985-04-30
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Expires: 2004-03-08
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Abstract

Abstract This invention relates to improved photoresponsive devices including, for example, those comprised of (1) a supporting substrate, and (2) a photoconductive layer comprised of perylene dye compositions of the following formula: ##STR1## wherein R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl groups and aryl groups.

Inventors

  • 👤 Rafik O. Loutfy
  • 👤 Cheng-Kuo Hsiao

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:00
CPC Classifications
C; C09; C09B; C09B5/00; C09B5/62; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0644; G03G5/0646; G03G5/0657

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 52 words
An improved photoresponsive device comprised in the order stated of (1) a supporting substrate, and (2) a photoconductive layer comprised of perylene dye compositions of the following formula: ##STR10## wherein R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl groups and aryl groups.
Claim 2
Dependent Claim 52 words
An improved photoresponsive device comprised in the order stated of (1) a supporting substrate, and (2) a photoconductive layer comprised of perylene dye compositions of the following formula: ##STR10## wherein R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl groups and aryl groups.
Claim 3
Dependent Claim 33 words
An improved photoresponsive device comprised in the order stated of (1) a supporting substrate, (2) a photoconductive layer comprised of the perylene compositions of claim 1, and (3) a diamine hole transport layer.
Claim 4
Dependent Claim 33 words
An improved photoresponsive device comprised in the order stated of (1) a supporting substrate, (2) a diamine hole transport layer, and (3) a photoconductive layer comprised of the perylene compositions of claim 1.
Claim 5
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 1 wherein the perylene composition is N,N'-di(2,4,6-trimethylphenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 6
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 1 wherein the perylene composition is N,N'-di(4-dimethylaminophenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 7
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 1 wherein the perylene composition is N,N'-di(2,6-dimethylphenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 8
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 2 wherein the perylene composition is N,N'-di(2-tertiarybutylphenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 9
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 2 wherein the perylene composition is N,N'-di(5-dichlorophenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 10
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 2 wherein the perylene composition is N,N'-di(2-methyl-4-chlorophenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 11
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 3 wherein the perylene composition is N,N'-di(2,6-dimethyl-4-tertiarybutylphenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 12
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 3 wherein the perylene composition is N,N'-di(2,5-ditertiarybutylphenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 13
Dependent Claim 15 words
An improved photoresponsive device in accordance with claim 3 wherein the perylene composition is N,N'-di(2,4,6-trimethoxyphenyl)perylene3,4,9,10tetracarboxyldiimide.
Claim 14
Dependent Claim 24 words
A photoresponsive device in accordance with claim 2 wherein the supporting substrate is comprised of a conductive metallic substance, or an insulating polymeric composition.
Claim 15
Dependent Claim 24 words
A photoconductive device in accordance with claim 3 wherein the supporting substrate is comprised of a conductive metallic substance, or an insulating polymeric composition.
Claim 16
Dependent Claim 13 words
A photoresponsive device in accordance with claim 13 wherein the substrate is aluminum.
Claim 17
Dependent Claim 14 words
A photoresponsive device in accordance with claim 14 wherein the conductive substrate is aluminum.
Claim 18
Dependent Claim 63 words
An improved photoresponsive device in accordance with claim 1 wherein the perylene composition is dispersed in a resinous binder in an amount of from about 5 percent by volume to about 95 percent by volume, and the diamine hole transport material is dispersed in a resinous binder in an amount of from about 10 percent by weight to about 75 percent by weight.
Claim 19
Dependent Claim 63 words
An improved photoresponsive device in accordance with claim 2 wherein the perylene composition is dispersed in a resinous binder in an amount of from about 5 percent by volume to about 95 percent by volume, and the diamine hole transport material is dispersed in a resinous binder in an amount of from about 10 percent by weight to about 75 percent by weight.
Claim 20
Dependent Claim 47 words
An improved photoresponsive device in accordance with claim 17 wherein the resinous binder for the perylene composition is a polyester, polyvinylcarbazole, polyvinylbutyral, a polycarbonate, or a phenoxy resin, and the resinous binder for the diamine hole transport material is a polycarbonate, a polyester, or a vinyl polymer.
Claim 21
Dependent Claim 44 words
A photoresponsive device in accordance with claim 18 wherein the resinous binder for the perylene composition is a polyester, polyvinylcarbazole, polyvinylbutyral, polycarbonate, or a phenoxy resin, and the resinous binder for the diamine hole transport material is a polycarbonate, a polyester, or vinyl polymer.
Claim 22
Dependent Claim 58 words
A photoresponsive device in accordance with claim 3 wherein the diamine charge transporting substance composition comprises molecules of the formula: ##STR11## dispersed in a highly insulating and transparent organic resinous material wherein X is selected from the group consisting of ortho (CH 3 ), meta (CH 3 ), para (CH 3 ), ortho (Cl), meta (Cl), para (Cl).
Claim 23
Dependent Claim 52 words
A photoresponsive device in accordance with claim 2 wherein the diamine charge transporting diamine composition comprises molecules of the formula: ##STR12## dispersed in a highly insulating and transparent organic resinous material wherein X is selected from the group consisting of ortho(CH 3 ), meta(CH 3 ), para(CH 3 ), ortho(Cl), meta(Cl), para(Cl).
Claim 24
Dependent Claim 15 words
a photoresponsive device in accordance with claim 21 wherein the diamine is comprised of N,N'-diphenyl-N,N'-bis(3-methylphenyl)-[1,1-biphenyl]-4,4'-diamine.
Claim 25
Dependent Claim 15 words
A photoresponsive device in accordance with claim 22 wherein the diamine is comprised of N,N'-diphenyl-N,N'-bis(3-methylphenyl)-[1,1-biphenyl]-4,4'-diamine.
Claim 26
Dependent Claim 72 words
An improved photoresponsive imaging member consisting essentially of a supporting substrate, a photoconductive layer comprised of the perylene compositions of claim 1, and a diamine hole transport layer containing molecules of the formula ##STR13## dispersed in a highly insulating and transparent organic resinous material wherein X is selected from the group consisting of ortho (CH 3 ), meta (CH 3 ), para (CH 3 ), ortho (Cl), meta (Cl) and para (Cl).
Claim 27
Dependent Claim 29 words
A photoresponsive imaging member in accordance with claim 25 wherein the perylene dye is selected from the group consisting of N,N'-di(2,4,6,-trimethylphenyl)perylene3,4,9,10tetracarboxylidiimide; N,N'-di(4,-dimethylaminophenyl)perylene3,4,9,10tetracarboxyldiimide; N,N'-di(2,6-dimethylphenyl)perylene3,4,9,10tetracarboxyldiimide; N,N'-di(2-tertiarybutylphenyl)perylene3,4,9,10tetracarboxyldiimide; N,N'-di(5-dichlorophenyl)perylene3,4,9,10tetracarboxyldiimide; N,N'-di(2-methyl-4-chlorophenyl)perylene3,4,9,10tetracarboxyldiimide; N,N'-di(2,6-dimethyl-4-tertiarybutylphenyl)perylene3,4,9,10tetracarboxyldiimide; and N,N'-di(2,5-ditertiarybutylphenyl)perylene3,4,9,10tetracarboxyldiimide.

References Cited (Backward Citations)

US3871882A Cited
US4265990A Cited
US4419427A Cited
US4415639A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-04-29 1988-10-29 1989-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-04-29 1992-10-29 1993-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-04-29 1996-10-29 1997-04-30 $7700.00 Window Closed / Lapsed

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