US4424267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic image holding member
Assignee: Canon Inc
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Filing: 1982-03-26
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Granted: 1984-01-03
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Expires: 2002-03-26
Abstract
Abstract An image-holding member for holding electrostatic images or toner images comprising a support and an image-holding layer contains a curable rubber layer.
Inventors
- 👤 Hideyo Kondo
- 👤 Naoto Fujimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:34
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142; G03G5/147; G03G5/14708; G03G5/14713; G03G5/14717; G03G5/14743; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
47 words
An image-holding member for electrophotography for holding electrostatic images for both electrostatic and toner images comprising: (a) a support, (b) an image-holding layer, and (c) a cured curable rubber layer of cyclized rubber spaced between (a) and (b) or as a separate layer in (b) or both.
Claim 2
Dependent Claim
47 words
An image-holding member for electrophotography for holding electrostatic images for both electrostatic and toner images comprising: (a) a support, (b) an image-holding layer, and (c) a cured curable rubber layer of cyclized rubber spaced between (a) and (b) or as a separate layer in (b) or both.
Claim 3
Dependent Claim
22 words
An image-holding member according to claim 1 in which the curable rubber layer is present between the support and the image-holding layer.
Claim 4
Dependent Claim
16 words
An image-holding member according to claim 2 in which the image-holding layer is a photoconductive layer.
Claim 5
Dependent Claim
16 words
An image-holding member according to claim 2 in which the image-holding layer is an insulating layer.
Claim 6
Dependent Claim
24 words
An image-holding member according to claim 2 in which the image-holding layer is a laminate composed of an insulating layer and a photoconductive layer.
Claim 7
Dependent Claim
19 words
An image-holding member according to claim 1 in which the curable rubber layer is provided in the image-holding layer.
Claim 8
Dependent Claim
35 words
An image-holding member according to claim 6 in which the image-holding layer comprises an insulating layer and a photoconductive layer and the curable rubber layer is present between the insulating layer and the photoconductive layer.
Claim 9
Dependent Claim
31 words
An image-holding member according to claim 1 in which the cyclized rubber is selected from the group consisting of cyclized polybutadiene rubber, cyclized isoprene rubber, cyclized natural rubber, and triazine rubber.
Claim 10
Dependent Claim
18 words
An image-holding member according to claim 1 in which the curable rubber layer is 0.1-30 microns in thickness.
Claim 11
Dependent Claim
59 words
An image-holding member according to claim 1 wherein said image-holding member comprises a support, a first cured curable rubber layer of cyclized rubber, a photoconductive layer overlying said first cured curable rubber layer of cyclized rubber, a second cured curable rubber layer of cyclized rubber, and an insulating layer overlying said second cured curable rubber layer of cyclized rubber.
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) | 1987-01-02 | 1987-07-04 | 1988-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-02 | 1991-07-04 | 1992-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-02 | 1995-07-04 | 1996-01-03 | $7700.00 | Window Closed / Lapsed |