US3634134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a photoconductive composition and device
Assignee: Xerox Corp
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Filing: 1969-06-25
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Granted: 1972-01-11
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Expires: 1989-06-25
Abstract
Abstract A method of making a photoconductive layer which includes forming a coating on the surface of a supporting substrate, said coating having at least a major portion of a vitreous selenium alloy in particulate form and a minor portion of an insulating resin, annealing said coating at a temperature at or above about the glass transition temperature of the alloy for a time sufficient to allow the alloy particles to flow and coalesce with said resin to form a final structure characterized by a somewhat continuous vitreous selenium alloy matrix containing resin in the form of discreet particles and partial networks.
Inventors
- 👤 Michael P Trubisky
- 👤 Leon A Teuscher
- 👤 Frank M Palermiti
- 👤 Charles J Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:01
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/087; G03G5/082; G03G5/08207
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
The method of claim 1 in which the resin comprises a chlorinated rubber.
Claim 2
Dependent Claim
30 words
The method of claim 1 in which the particles comprise selenium alloyed with at least one material selected from the group comprising arsenic, sulfur, bismuth, antimony, tellurium, and mixtures thereof.
Claim 3
Dependent Claim
25 words
The method of claim 1 in which the photoconductor comprises an arsenic-selenium alloy containing arsenic in an amount from about 0.5 to 50 weight percent.
Claim 4
Dependent Claim
28 words
The method of claim 1 in which the layer comprises 90 to 95 percent by weight of selenium alloy and 5 to 10 percent by weight of resin.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |