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US4937165A
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Photoconductive imaging members with N,N-bis(biarylyl)aniline charge transport polymers
Assignee: Xerox Corp
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Filing: 1989-04-03
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Granted: 1990-06-26
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Expires: 2009-04-03
Abstract
Abstract A photoconductive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of the N,N-bis(biarylyl)aniline charge transport polymers of the formula ##STR1## wherein A and B are independently selected from bifunctional linkages; Z is alkylenedioxy, arylenedioxy, or substituted derivatives thereof; R and R' are alkyl, aryl, alkoxy, aryloxy, or halogen; x and y are mole fractions wherein x is greater than 0 and the sum of x and y is equal to 1.0; a and b are the numbers 0, 1 or 2; and n represents the number of monomer units.
Inventors
- 👤 Beng S. Ong
- 👤 Barkev Keoshkerian
- 👤 Giuseppa Baranyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:27
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/16; C08G64/1608; C08G64/1625; C08G64/1641; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3271; C08G18/329; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G63/6856; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/07; G03G5/075; G03G5/076; G03G5/0763; G03G5/0764
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
94 words
A photoconductive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of the N,N-bis(biarylyl)aniline charge transport polymers of the formula ##STR4## wherein A and B are independently selected from bifunctional linkages; Z is alkylenedioxy, arylenedioxy, or substituted derivatives thereof; R and R' are alkyl, aryl, alkoxy, aryloxy, or halogen; x and y are mole fractions wherein x is greater than 0 and the sum of x and y is equal to 1.0; a and b are the numbers 0, 1 or 2; and n represents the number of monomer units.
Claim 2
Dependent Claim
94 words
A photoconductive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of the N,N-bis(biarylyl)aniline charge transport polymers of the formula ##STR4## wherein A and B are independently selected from bifunctional linkages; Z is alkylenedioxy, arylenedioxy, or substituted derivatives thereof; R and R' are alkyl, aryl, alkoxy, aryloxy, or halogen; x and y are mole fractions wherein x is greater than 0 and the sum of x and y is equal to 1.0; a and b are the numbers 0, 1 or 2; and n represents the number of monomer units.
Claim 3
Dependent Claim
27 words
A photoconductive imaging member in accordance with claim 1 wherein A is --O--, and B is --COO--R"--OCO--, wherein R" is alkylene, arylene, ether, or a polyether segment.
Claim 4
Dependent Claim
27 words
A photoconductive imaging member in accordance with claim 1 wherein A is --O--, and B is --CO--R"--CO--, wherein R" is alkylene, arylene, ether, or a polyether segment.
Claim 5
Dependent Claim
26 words
A photoconductive imaging member in accordance with claim 1 wherein A is --O--, and B is --CONH--R"--NHCO--, wherein R" is alkylene, arylene, ether, or polyether segment.
Claim 6
Dependent Claim
14 words
A photoconductive imaging member in accordance with claim 1 wherein y is 0 (zero).
Claim 7
Dependent Claim
22 words
A photoconductive imaging member in accordance with claim 1 wherein x is a mole fraction number of from 0.1 to about 1.0.
Claim 8
Dependent Claim
14 words
A photoconductive imaging member in accordance with claim 1 wherein y is 0 (zero).
Claim 9
Dependent Claim
56 words
A photoconductive imaging member in accordance with claim 1 wherein the charge transport layer is comprised of the polycarbonate (II), the polycarbonate (III), the polycarbonate (V), the polycarbonate (VI), the copolycarbonate (VIII), the copolycarbonate (X), the polyester (IV), the polyester (VII), the polyurethane (IX), or the polyurethane (XI), wherein n represents the number of monomer units.
Claim 10
Dependent Claim
23 words
A photoconductive imaging member in accordance with claim 1 wherein R and R' are aryl of from 6 to about 24 carbon atoms.
Claim 11
Dependent Claim
23 words
A photoconductive imaging member in accordance with claim 1 wherein R and R' are alkyl of from 1 to about 20 carbon atoms.
Claim 12
Dependent Claim
26 words
A photoconductive imaging member in accordance with claim 1 wherein R and R' are alkoxy functions of from 1 to about 20 carbon atoms, or halogen.
Claim 13
Dependent Claim
18 words
A photoconductive imaging member in accordance with claim 1 wherein a and b are equal to 0 (zero).
Claim 14
Dependent Claim
18 words
A photoconductive imaging member in accordance with claim 1 wherein R or R' is methyl or methoxy groups.
Claim 15
Dependent Claim
18 words
A photoconductive imaging member in accordance with claim 1 wherein n is from about 10 to about 350.
Claim 16
Dependent Claim
13 words
A photoconductive imaging member in accordance with claim 1 wherein x is 1.
Claim 17
Dependent Claim
13 words
A photoconductive imaging member in accordance with claim 1 containing a supporting substrate.
Claim 18
Dependent Claim
21 words
A photoconductive imaging member in accordance with claim 1 wherein the photogenerating layer is comprised of inorganic, or organic photoconductive pigments.
Claim 19
Dependent Claim
35 words
A photoconductive imaging member in accordance with claim 17 wherein the photogenerating layer is comprised of selenium, selenium alloys, trigonal selenium, a vanadyl phthalocyanine, squaraine, perylene, metal free phthalocyanines, metal phthalocyanines, or dibromoanthanthrone photoconductive pigments.
Claim 20
Dependent Claim
24 words
A photoconductive imaging member in accordance with claim 1 wherein the photogenerating layer is situated between a supporting substrate and the charge transport layer.
Claim 21
Dependent Claim
24 words
A photoconductive imaging member in accordance with claim 1 wherein the charge transport layer is situated between the photogenerating layer and the supporting substrate.
Claim 22
Dependent Claim
24 words
A photoconductive imaging member in accordance with claim 19 wherein the supporting substrate is comprised of a conductive component on an organic polymeric composition.
Claim 23
Dependent Claim
35 words
A photoconductive imaging member in accordance with claim 1 wherein the photogenerating pigments are dispersed in a resinous binder in an amount of from about 5 percent by weight to about 95 percent by weight.
Claim 24
Dependent Claim
23 words
A photoconductive imaging member in accordance with claim 22 wherein the resinous binder is a polyester, polyvinyl butyral, a polycarbonate, or polyvinyl formal.
Claim 25
Dependent Claim
20 words
A photoconductive imaging member in accordance with claim 1 containing a metal oxide charge blocking layer and an adhesive layer.
Claim 26
Dependent Claim
19 words
A photoconductive imaging member in accordance with claim 1 containing a polysilane charge blocking layer and an adhesive layer.
Claim 27
Dependent Claim
38 words
A photoconductive imaging member in accordance with claim 1 wherein the polymer charge transport layer is doped with a hole transport molecule in an amount of from about 1 percent by weight to about 20 percent by weight.
Claim 28
Dependent Claim
32 words
A method of imaging which comprises generating an electrostatic image on the imaging member of claim 1, subsequently transferring this image to a suitable substrate; and thereafter permanently affixing the image thereto.
Claim 29
Dependent Claim
32 words
A method of imaging which comprises generating an electrostatic image on the imaging member of claim 8; subsequently transferring this image to a suitable substrate; and thereafter permanently affixing the image thereto.
Claim 30
Dependent Claim
48 words
A polymer in accordance with claim 28 comprised of the polycarbonate (II), the polycarbonate (III), the polycarbonate (V), the polycarbonate (VI), the copolycarbonate (VIII), the copolycarbonate (X), the polyester (IV), the polyester (VII), the polyurethane (IX), and the polyurethane (XI), wherein n represents the number of monomer units.
Claim 31
Dependent Claim
18 words
A polymer in accordance with claim 28 wherein n is a number of from 10 to about 350.
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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 |