US3607261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic crystalline binders for electrophotographic plates
Assignee: Xerox Corp
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Filing: 1969-04-04
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Granted: 1971-09-21
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Expires: 1989-04-04
Abstract
Abstract An electrophotographic material is disclosed comprising a support substrate and an inorganic crystalline photoconductive insulating layer. The photoconductive coating comprises a photoconductive material and an inorganic crystalline binder.
Inventors
- 👤 Alan B Amidon
- 👤 Joseph Mammino
- 👤 Richard Radler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:15
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0503; G03G5/0507; G03G5/051; G03G5/0517; G03G5/0521; G03G5/08; G03G5/085
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
21 words
The electrophotographic plate as described in claim 1 wherein the said inorganic crystalline binder material consists essentially of trimeric phosphonitrilic chloride.
Claim 2
Dependent Claim
18 words
The electrophotographic plate as described in claim 1 wherein said photoconductive material consists essentially of a phthalocyanine pigment.
Claim 3
Dependent Claim
15 words
The electrophotographic plate of claim 1 wherein said photoconductive material consists essentially of zinc oxide.
Claim 4
Dependent Claim
17 words
The electrographic plates as described in claim 1 wherein said photoconductive material consists essentially of cadmium sulfoselenide.
Claim 5
Dependent Claim
62 words
An electrophotographic imagining process comprising forming an electrostatic latent image on the surface of a photoconductive plate, said plate comprising a support substrate having fixed to the surface thereof a photoconductive material dispersed in an inorganic crystalline binder consisting essentially of a phosphonitrilic compound, developing said image with electroscopic marking particles and fixing said image to the surface of said photoconductive plate.
Claim 6
Dependent Claim
19 words
The process as disclosed in claim 6 wherein said inorganic crystalline binder material consists essentially of trimeric phosphonitrilic chloride.
References Cited (Backward Citations)
US3406063A
Cited
US3396016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |