US5206103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive imaging member with a charge transport layer comprising a biphenyl diamine and a polysilylane
Assignee: Xerox Corp
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Filing: 1991-01-14
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Granted: 1993-04-27
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Expires: 2011-01-14
Abstract
Abstract A photoresponsive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of a mixture of a biphenyl diamine and a polysilylene.
Inventors
- 👤 Milan Stolka
- 👤 Martin A. Abkowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0528; G03G5/0557; G03G5/0578; G03G5/06; G03G5/0601; G03G5/0612; G03G5/0614; G03G5/06142; G03G5/06144; G03G5/061443; H; H10; H10K; H10K30/00; H10K30/20; H10K85/00; H10K85/10; H10K85/141; H10K85/40; H10K85/60; H10K85/631; H10K39/00; H10K39/30; H10K39/32; H10K85/30; H10K85/311; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/549
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
61 words
An imaging member consisting essentially of a supporting substrate, a photogenerating layer, and a charge transport layer comprised of a mixture of biphenyl diamine and a polysilylene ##STR8## wherein the biphenyl diamine is N,N'-bis(4-methylphenyl)-N,N'-bis(4-ethylphenyl)-[1,1'-(3,3'-dimethyl)biphenyl]-4,4'-diamine, and wherein the polysilyene is selected from the group consisting of poly(methylphenyl) silylene, poly(cyclohexyl methyl) silylene, poly(betaphenethylmethyl silylene), poly(n-propylmethyl-co-methylphenyl silylene), poly(n-propylmethyl silylene), poly(methylphenyl-co-cyclohexylmethyl) silylene, and poly(methylphenyl-co-p-methoxyphenyl) silylene.
Claim 2
Dependent Claim
61 words
An imaging member consisting essentially of a supporting substrate, a photogenerating layer, and a charge transport layer comprised of a mixture of biphenyl diamine and a polysilylene ##STR8## wherein the biphenyl diamine is N,N'-bis(4-methylphenyl)-N,N'-bis(4-ethylphenyl)-[1,1'-(3,3'-dimethyl)biphenyl]-4,4'-diamine, and wherein the polysilyene is selected from the group consisting of poly(methylphenyl) silylene, poly(cyclohexyl methyl) silylene, poly(betaphenethylmethyl silylene), poly(n-propylmethyl-co-methylphenyl silylene), poly(n-propylmethyl silylene), poly(methylphenyl-co-cyclohexylmethyl) silylene, and poly(methylphenyl-co-p-methoxyphenyl) silylene.
Claim 3
Dependent Claim
27 words
An imaging member in accordance with claim 1 wherein the mixture is comprised of from about 10 to about 75 percent by weight of the biphenyl diamine.
Claim 4
Dependent Claim
26 words
An imaging member in accordance with claim 1 wherein the mixture is comprised of from about 90 to about 25 percent by weight of the polysilylene.
Claim 5
Dependent Claim
24 words
An imaging member in accordance with claim 1 wherein the hole transport layer mixture is situated between the supporting substrate and the photogenerating layer.
Claim 6
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 7
Dependent Claim
19 words
An imaging member in accordance with claim 1 wherein the supporting substrate is aluminum, or an organic polymeric composition.
Claim 8
Dependent Claim
35 words
An imaging member in accordance with claim 1 wherein the photogenerating layer pigment is dispersed in a resinous binder in an amount of from about 5 percent by weight to about 95 percent by weight.
Claim 9
Dependent Claim
23 words
An imaging member in accordance with claim 7 wherein the resinous binder is a polyester, poly(vinylbutyral), polycarbonate, poly(vinylformal), poly(vinylcarbazole), poly(vinylchloride), or mixtures thereof.
Claim 10
Dependent Claim
33 words
An imaging member in accordance with claim 1 wherein the photogenerating layer pigment is selected from the group consisting of metal free phthalocyanines, metal phthalocyanines, vanadyl phthalocyanines, titanyl phthalocyanines, selenium and selenium alloys.
Claim 11
Dependent Claim
16 words
An imaging member in accordance with claim 1 wherein the photogenerating layer pigment is trigonal selenium.
Claim 12
Dependent Claim
21 words
An imaging member in accordance with claim 1 wherein the photogenerating layer pigment is a perylene, a squaraine, or a bisazo.
Claim 13
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 14
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 15
Dependent Claim
34 words
An imaging member in accordance with claim 1 wherein the mobility of the holes being transported in the charge transport layer is from about 10 -4 to about 10 -1 cm 2 /volts second.
Claim 16
Dependent Claim
34 words
An imaging member in accordance with claim 1 wherein the mobility of the holes being transported in the hole transport layer is from about 10 -4 to about 10 -1 cm 2 /volts second.
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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) | 1996-04-26 | 1996-10-26 | 1997-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-04-26 | 2000-10-26 | 2001-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-04-26 | 2004-10-26 | 2005-04-27 | $7700.00 | Window Closed / Lapsed |