Patent US4937164A successfully refreshed from Google Patents.
US4937164A
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Thionated perylene photoconductive imaging members for electrophotography
Assignee: Xerox Corp
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Filing: 1989-06-29
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Granted: 1990-06-26
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Expires: 2009-06-29
Abstract
Abstract A photoresponsive imaging member comprised of a thionated perylene photogeneratoring layer, and a charge transport layer.
Inventors
- 👤 James M. Duff
- 👤 Ah M. Hor
- 👤 Cheng K. Hsiao
- 👤 Gordon K. Hamer
- 👤 Rafik O. Loutfy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:53
CPC Classifications
C; C07; C07D; C07D495/00; C07D495/12; C07D495/16; C07D495/22; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0644; G03G5/0646; G03G5/0659
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
16 words
A photoresponsive imaging member comprised of a thionated perylene photogenerator layer, and a charge transport layer.
Claim 2
Dependent Claim
16 words
A photoresponsive imaging member comprised of a thionated perylene photogenerator layer, and a charge transport layer.
Claim 3
Dependent Claim
19 words
A photoconductive imaging member comprised of a supporting substrate, a thionated perylene photogenerating layer, and a charge transport layer.
Claim 4
Dependent Claim
19 words
A photoconductive imaging member comprised of a supporting substrate, a thionated perylene photogenerating layer, and a charge transport layer.
Claim 5
Dependent Claim
50 words
An imaging member in accordance with claim 2 wherein the thionated perylene is of the Formulas as represented by FIGS. 1, 2, 3, or 4, wherein x is aryl, heterocyclic, polycyclic arylenes, and the substituted derivatives thereof; R is hydrogen, alkyl, aryl, aryl alkyl, alkoxyalkyl, and the substituted derivatives thereof.
Claim 6
Dependent Claim
18 words
An imaging member in accordance with claim 3 wherein aryl contains from 6 to about 24 carbon atoms.
Claim 7
Dependent Claim
18 words
An imaging member in accordance with claim 3 wherein alkyl contains from 1 to about 25 carbon atoms.
Claim 8
Dependent Claim
32 words
An imaging member in accordance with claim 2 wherein the thionated perylene is cis,syn-, cis,anti-, and trans-bisbenzimidazole thionated perylenes, bispropyl thionated perylene, cis,anti-, cis,syn-, and trans-bisbenzimidazole trithionated perylenes, or bispropyl trithionated perylene.
Claim 9
Dependent Claim
23 words
An imaging member in accordance with claim 2 wherein the photogenerating layer is situated between the supporting substrate and the charge transport layer.
Claim 10
Dependent Claim
25 words
An imaging member in accordance with claim 2 wherein the aryl amine hole transport layer is situated between the supporting substrate and the photogenerating layer.
Claim 11
Dependent Claim
17 words
An imaging member in accordance with claim 2 wherein the charge transport layer is an aryl amine.
Claim 12
Dependent Claim
30 words
An imaging member in accordance with claim 2 wherein the supporting substrate is comprised of a conductive metallic substance, or an insulating polymeric composition overcoated with an electrically conductive layer.
Claim 13
Dependent Claim
23 words
An imaging member in accordance with claim 10 wherein the supporting substrate is aluminum, an organic polymeric composition, aluminized Mylar or titanized Mylar.
Claim 14
Dependent Claim
35 words
An imaging member in accordance with claim 2 wherein the photogenerating thionated perylene is dispersed in a resinous binder in an amount of from about 5 percent by weight to about 95 percent by weight.
Claim 15
Dependent Claim
23 words
An imaging member in accordance with claim 12 wherein the resinous binder is a polyester, poly(vinylbutyral), polycarbonate, poly(vinylformal), poly(vinylcarbazole), poly(vinylchloride), or mixtures thereof.
Claim 16
Dependent Claim
45 words
An imaging member in accordance with claim 2 wherein the charge transport layer is comprised of aryl amine molecules of the formula ##STR2## dispersed in a highly insulating and transparent organic resinous binder wherein X is selected from the group consisting of alkyl and halogen.
Claim 17
Dependent Claim
36 words
An imaging member in accordance with claim 14 wherein X is selected from the group consisting of ortho (CH 3 ), meta (CH 3 ), para (CH 3 ), ortho (Cl), meta (Cl), or para (Cl).
Claim 18
Dependent Claim
86 words
An imaging member comprised of (1) a supporting substrate; (2) a siloxane hole blocking layer; (3) a photogenerating layer comprised of the thionated perylene compounds of the Formulas of FIGS. 5, 6, 7, 8, 9, 10, 11, or 12 wherein Pr is propyl; or the Formulas of FIGS. 1, 2, 3 or 4 wherein x is aryl, heterocyclic, polycyclic arylenes, and the substituted derivatives thereof; R is hydrogen, alkyl, aryl, aryl alkyl, alkoxyalkyl, and the substituted derivatives thereof; and (4) an aryl amine hole transport layer.
Claim 19
Dependent Claim
86 words
An imaging member comprised of (1) a supporting substrate; (2) a siloxane hole blocking layer; (3) a photogenerating layer comprised of the thionated perylene compounds of the Formulas of FIGS. 5, 6, 7, 8, 9, 10, 11, or 12 wherein Pr is propyl; or the Formulas of FIGS. 1, 2, 3 or 4 wherein x is aryl, heterocyclic, polycyclic arylenes, and the substituted derivatives thereof; R is hydrogen, alkyl, aryl, aryl alkyl, alkoxyalkyl, and the substituted derivatives thereof; and (4) an aryl amine hole transport layer.
Claim 20
Dependent Claim
25 words
An imaging member in accordance with claim 16 wherein there is included between the siloxane hole blocking layer and the photogenerating layer an adhesive layer.
Claim 21
Dependent Claim
16 words
An imaging member in accordance with claim 17 wherein the adhesive layer is a polyester resin.
Claim 22
Dependent Claim
32 words
An imaging member in accordance with claim 16 wherein the charge transport comprises aryl amine molecules of the formula ##STR3## wherein X is selected from the group consisting of alkyl and halogen.
Claim 23
Dependent Claim
36 words
A method of imaging or printing which comprises generating an image on the imaging member of claim 1; developing the image generated; transferring the developed image to a suitable substrate; and thereafter affixing the image thereto.
Claim 24
Dependent Claim
36 words
An imaging member in accordance with claim 3 wherein the thionated perylene is of the formulas of FIGS. 5, 6, 7, 8, 9, 10, 11 or 12, isomers thereof, or mixtures thereof, wherein Pr is propyl.
Claim 25
Dependent Claim
18 words
An imaging member in accordance with claim 3 wherein the photogenerating thionated perylene is deposited by vacuum evaporation.
Claim 26
Dependent Claim
29 words
A photoconductive imaging member comprised of a thionated perylene photoconductive layer which functions as a photogenerator and as a charge transport, which layer is deposited on a supporting substrate.
Claim 27
Dependent Claim
29 words
A photoconductive imaging member comprised of a thionated perylene photoconductive layer which functions as a photogenerator and as a charge transport, which layer is deposited on a supporting substrate.
Claim 28
Dependent Claim
74 words
An imaging member in accordance with claim 23 wherein the thionated perylene is of the Formulas of FIGS. 1, 2, 3 or 4, isomers thereof, or mixtures thereof; FIGS. 5, 6, 7, 8, 9 , 10, 11 or 12, isomers thereof, or mixtures thereof, wherein x is aryl, heterocyclic, polycyclic arylene, or the substituted derivatives thereof; R is hydrogen, alkyl, aryl, aryl alkyl, alkoxyalkyl, or the substituted derivatives thereof; and wherein Pr is propyl.
Claim 29
Dependent Claim
27 words
An imaging member in accordance with claim 3 wherein X is o-phenylene, pyridinediyl, pyrimidinediyl, phenanthrenediyl, naphthalenediyl, or the corresponding alkyl, nitro, halo, cyano, and methoxy substituted derivatives.
Claim 30
Dependent Claim
38 words
An imaging member in accordance with claim 21 wherein the thionated perylene is comprised of an isomer mixture of the formulas as represented by FIGS. 5, 6 and 7, or 8, 9 and 10 wherein Pr is propyl.
Claim 31
Dependent Claim
50 words
An imaging member in accordance with claim 2 wherein the thionated perylene is of the Formulas as represented by FIGS. 1, 2, 3, or 4, or mixtures thereof wherein x is aryl, heterocyclic, or polycyclic arylenes; and R is hydrogen, alkyl, aryl, aryl alkyl, alkoxyalkyl, or the substituted derivatives thereof.
Claim 32
Dependent Claim
38 words
An imaging member in accordance with claim 2 wherein the thionated perylene is of the Formulas as represented by FIGS. 5, 6, 7, 8, 9, 10, 11, or 12, mixtures thereof, or isomers thereof wherein Pr is propyl.
Claim 33
Dependent Claim
54 words
An imaging member in accordance with claim 3 wherein the perylene is comprised of mixtures, or isomers of the thionated compounds represented by FIGS. 1, 2, 3 or 4 wherein x is aryl, heterocyclic, polycyclic arylenes, and the substituted derivatives thereof; R is hydrogen, alkyl, aryl, aryl alkyl, alkoxyalkyl, and the substituted derivatives thereof.
Claim 34
Dependent Claim
37 words
An imaging member in accordance with claim 16 wherein the perylene is comprised of mixtures, or isomers of the thionated compounds represented by FIGS. 5, 6, 7, 8, 9, 10, 11 or 12 where Pr is propyl.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-06-25 | 1993-12-25 | 1994-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-25 | 1997-12-25 | 1998-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-25 | 2001-12-25 | 2002-06-26 | $7700.00 | Window Closed / Lapsed |