US3891435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterophase adhesive compositions containing chlorosulfonated polyethylene for metal-selenium composites
Assignee: Xerox Corp
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Filing: 1973-08-17
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Granted: 1975-06-24
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Expires: 1993-08-17
Abstract
Abstract A xerographic member which comprises a conductive substrate having thereon an interfacial barrier layer in a thickness of about 0.5 to 3.0 microns. The barrier layer comprises a polymer blend or mixture of a polycarbonate, a polyether-ester-urethane, and a chlorosulfonated polyethylene and is overcoated with a photoconductive layer about 10 to 200 microns in thickness.
Inventors
- 👤 Lieng Huang Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:39
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142; G03G5/005
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
103 words
A XEROGRAPHIC MEMBER WHICH COMPRISES A CONDUCTIVE SUBSTRATE HAVING THEREON AN INTERFACIAL BARRIER LAYER HAVING A THICKNESS OF ABOUT 0.5 TO 3.0 MICRONS, SAID BARRIER LAYER COMPRISING A POLYMER BLEND OR MIXTURE OF A POLYCARBONATE, A POLYETHER-ESTER-URETHANE, AND A CHLOROSLULFONATED POLYETHYLENE, WITH THE POLYCARBONATE BEING PRESENT IN A CONCENTRATION OF ABOUT 30 TO 80 WEIGHT PERCENT AND THE POLY-URETHANE AND CHLOROSULFONATED POLYETHYLENE BEING PRESENT IN A COMBINED CONCENTRATION OF ABOUT 20 TO 70 WEIGHT PERCENT, WITH SAID INTERFACIAL LAYER HAVING A COMPOSITE RESISTIVITY OF ABOUT 10**11 10**14 OHM-CM, AND A PHOTOCONDUCTIVE LAYER ABOUT 10 TO 200 MICRONS IN THICKNESS OVERLAYING SAID INTERFACIAL LAYER.
Claim 2
Dependent Claim
103 words
A XEROGRAPHIC MEMBER WHICH COMPRISES A CONDUCTIVE SUBSTRATE HAVING THEREON AN INTERFACIAL BARRIER LAYER HAVING A THICKNESS OF ABOUT 0.5 TO 3.0 MICRONS, SAID BARRIER LAYER COMPRISING A POLYMER BLEND OR MIXTURE OF A POLYCARBONATE, A POLYETHER-ESTER-URETHANE, AND A CHLOROSLULFONATED POLYETHYLENE, WITH THE POLYCARBONATE BEING PRESENT IN A CONCENTRATION OF ABOUT 30 TO 80 WEIGHT PERCENT AND THE POLY-URETHANE AND CHLOROSULFONATED POLYETHYLENE BEING PRESENT IN A COMBINED CONCENTRATION OF ABOUT 20 TO 70 WEIGHT PERCENT, WITH SAID INTERFACIAL LAYER HAVING A COMPOSITE RESISTIVITY OF ABOUT 10**11 10**14 OHM-CM, AND A PHOTOCONDUCTIVE LAYER ABOUT 10 TO 200 MICRONS IN THICKNESS OVERLAYING SAID INTERFACIAL LAYER.
Claim 3
Dependent Claim
17 words
The member of claim 1 in which the photoconductor comprises a vitreous alloy of selenium and arsenic.
Claim 4
Dependent Claim
28 words
The member of claim 1 in which the arsenic is present in an amount of about 0.1 to about 50 percent by weight with the balance substantially selenium.
Claim 5
Dependent Claim
21 words
The member of claim 1 in which the photoconductive layer comprises about 99.67 weight percent selenium and 0.33 weight percent arsenic.
Claim 6
Dependent Claim
14 words
The member of claim 4 in which the selenium-arsenic photoconductor contains a chlorine dopant.
Claim 7
Dependent Claim
13 words
The member of claim 1 in which the photoconductive layer comprises vitreous selenium.
Claim 8
Dependent Claim
19 words
The member of claim 1 in which the photoreceptor member is in the form of an endless flexible belt.
Claim 9
Dependent Claim
15 words
The member of claim 7 in which the flexible belt substrate is made of nickel.
Claim 10
Dependent Claim
14 words
The member of claim 7 in which the belt substrate is made of brass.
Claim 11
Dependent Claim
27 words
The member of claim 7 in which the belt substrate is made of a material selected from the group consisting of nickel, brass, aluminum and stainless steel.
Claim 12
Dependent Claim
20 words
The member of claim 8 in which the photoreceptor comprises about 99.67 weight percent selenium and 0.33 weight percent arsenic.
Claim 13
Dependent Claim
14 words
The member of claim 11 in which the selenium-arsenic photoconductor contains a chlorine dopant.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |