US4587189A
Expired / Lapsed
US
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Photoconductive imaging members with perylene pigment compositions
Assignee: Xerox Corp
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Filing: 1985-05-24
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Granted: 1986-05-06
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Expires: 2005-05-24
Abstract
Abstract Disclosed is an improved layered photoresponsive imaging member comprised of a supporting substrate; a vacuum evaporated photogenerator layer comprised of a perylene pigment selected from the group consisting of a mixture of bisbenzimidazo(2,1-a-1',2'-b)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-6,11-dione, and bisbenzimidazo(2,1-a:2',1'-a)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-10,21-dione, and N,N'-diphenyl-3,4,9,10-perylenebis(dicarboximide); and an aryl amine hole transport layer comprised of molecules of the following formula: ##STR1## dispersed in a resinous binder and wherein X is selected from the group consisting of halogen and alkyl.
Inventors
- 👤 Ah-Mee Hor
- 👤 Rafik O. Loutfy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:17
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0644; G03G5/0646; G03G5/0659; G03G5/043; G03G5/047; G03G5/0601; G03G5/0612; G03G5/0614; G03G5/06142; G03G5/06144; G03G5/061443; G03G5/0657
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
68 words
An improved layered photoresponsive imaging member comprised of a supporting substrate; a vacuum evaporated photogenerator layer comprised of a perylene pigment selected from the group consisting of a mixture of bisbenzimidazo(2,1-a-1',2'-b)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-6,11-dione, and bisbenzimidazo(2,1-a:2',1'-a)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-10,21-dione; and N,N'-diphenyl-3,4,9,10-perylenebis(dicarboximide); and an aryl amine hole transport layer comprised of molecules of the following formula: ##STR8## dispersed in a resinous binder and wherein X is selected from the group consisting of halogen and alkyl.
Claim 2
Dependent Claim
68 words
An improved layered photoresponsive imaging member comprised of a supporting substrate; a vacuum evaporated photogenerator layer comprised of a perylene pigment selected from the group consisting of a mixture of bisbenzimidazo(2,1-a-1',2'-b)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-6,11-dione, and bisbenzimidazo(2,1-a:2',1'-a)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-10,21-dione; and N,N'-diphenyl-3,4,9,10-perylenebis(dicarboximide); and an aryl amine hole transport layer comprised of molecules of the following formula: ##STR8## dispersed in a resinous binder and wherein X is selected from the group consisting of halogen and alkyl.
Claim 3
Dependent Claim
30 words
An imaging member in accordance with claim 1 wherein the supporting substrate is comprised of a conductive metallic substance, or an insulating polymeric composition overcoated with an electrically conductive layer.
Claim 4
Dependent Claim
14 words
An imaging member in accordance with claim 1 wherein the supporting substrate is aluminum.
Claim 5
Dependent Claim
19 words
An imaging member in accordance with claim 1 wherein the supporting substrate is overcoated with a polymeric adhesive layer.
Claim 6
Dependent Claim
16 words
An imaging member in accordance with claim 4 wherein the adhesive layer is a polyester resin.
Claim 7
Dependent Claim
26 words
An imaging member in accordance with claim 1 wherein X is selected from (ortho)CH 3 , (meta)CH 3 , (para)CH 3 , (ortho)Cl, (meta)Cl, and (para)Cl.
Claim 8
Dependent Claim
14 words
An imaging member in accordance with claim 1 wherein the aryl amine is N,N'-diphenyl-N,N'-bis(3-methylphenyl)-[1,1'-biphenyl]-4,4'-diamine.
Claim 9
Dependent Claim
17 words
An imaging member in accordance with claim 1 wherein the resinous binder is a polycarbonate or polyvinylcarbazole.
Claim 10
Dependent Claim
58 words
An imaging member in accordance with claim 1 wherein the perylene pigments are dispersed in a resinous binder in an amount of from about 5 percent to about 95 percent by volume, and the aryl amine hole transport molecules are dispersed in a resinous binder in an amount of from about 10 to about 75 percent of weight.
Claim 11
Dependent Claim
46 words
An imaging member in accordance with claim 9 wherein the resinous binder for the perylene pigments is a polyester, polyvinylcarbazole, polyvinylbutyral, a polycarbonate, or a phenoxy resin; and the resinous binder for the aryl amine hole transport material a polycarbonate, a polyester, or a vinyl polymer.
Claim 12
Dependent Claim
27 words
An imaging member in accordance with claim 1 wherein the aryl amine hole transport layer is situated between the supporting substrate and the vacuum deposited photogenerating layer.
Claim 13
Dependent Claim
42 words
An imaging member in accordance with claim 11 comprised of a supporting substrate; a photogenerator layer comprised of a perylene pigment selected from the group consisting of a mixture of bisbenzimidazo(2,1-a-1',2'-b)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-6,11-dione, and bisbenzimidazo(2,1-a:2',1'-a)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-10,21-dione, and N,N'-diphenyl-3,4,9,10-perylenebis(dicarboximide); and an aryl amine hole transport layer.
Claim 14
Dependent Claim
30 words
An imaging member in accordance with claim 11 wherein the supporting substrate is comprised of a conductive metallic substance, or an insulating polymeric composition overcoated with an electrically conductive layer.
Claim 15
Dependent Claim
14 words
An imaging member in accordance with claim 11 wherein the supporting substrate is aluminum.
Claim 16
Dependent Claim
21 words
An imaging member in accordance with claim 11 wherein the supporting conductive substrate is overcoated with a thin polymeric adhesive layer.
Claim 17
Dependent Claim
39 words
An imaging member in accordance with claim 11 wherein the aryl amine charge transporting layer comprises molecules of the formula: ##STR9## dispersed in a resinous binder and wherein X is selected from the group consisting of halogen and alkyl.
Claim 18
Dependent Claim
26 words
An imaging member in accordance with claim 16 wherein X is selected from (ortho)CH 3 , (meta)CH 3 , (para)CH 3 , (ortho)Cl, (meta)Cl, and (para)Cl.
Claim 19
Dependent Claim
14 words
An imaging member in accordance with claim 16 wherein the aryl amine is N,N'-diphenyl-N,N'-bis(3-methylphenyl)-[1,1'-biphenyl]-4,4'-diamine.
Claim 20
Dependent Claim
17 words
An imaging member in accordance with claim 16 wherein the resinous binder is a polycarbonate or polyvinylcarbazole.
Claim 21
Dependent Claim
58 words
An imaging member in accordance with claim 16 wherein the perylene pigments are dispersed in a resinous binder in an amount of from about 5 percent to about 95 percent by volume, and the aryl amine hole transport molecules are dispersed in a resinous binder in an amount of from about 10 to about 75 percent by weight.
Claim 22
Dependent Claim
39 words
A method of imaging which comprises forming an electrostatic latent image on the imaging member of claim 1, causing development thereof with toner particles; subsequently transferring the developed image to a suitable substrate; and permanently affixing the image thereto.
Claim 23
Dependent Claim
39 words
A method of imaging which comprises forming an electrostatic latent image on the imaging member of claim 11, causing development thereof with toner particles; subsequently transferring the developed image to a suitable substrate; and permanently affixing the image thereto.
Claim 24
Dependent Claim
39 words
A method of imaging which comprises forming an electrostatic latent image on the imaging member of claim 12, causing development thereof with toner particles; subsequently transferring the developed image to a suitable substrate; and permanently affixing the image thereto.
Claim 25
Dependent Claim
39 words
A method of imaging which comprises forming an electrostatic latent image on the imaging member of claim 16 causing development thereof with toner particles; subsequently transferring the developed image to a suitable substrate; and permanently affixing the image thereto.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-05-05 | 1989-11-04 | 1990-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-05 | 1993-11-04 | 1994-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-05 | 1997-11-04 | 1998-05-06 | $7700.00 | Window Closed / Lapsed |