US4362799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image-holding member with a curable epoxyacrylate resin insulating layer
Assignee: Canon Inc
•
Filing: 1979-04-27
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Granted: 1982-12-07
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Expires: 1999-04-27
Abstract
Abstract Image-holding member for holding electrostatic images and/or toner images comprising an insulating layer composed of curable epoxyacrylate resin on the surface of the image-holding member.
Inventors
- 👤 Hideyo Kondo
- 👤 Yuichi Yashiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:10
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/147; G03G5/14708; G03G5/14713; G03G5/14747; G03G5/14773; G03G5/02; G03G5/0202; G03G5/0205; G03G5/1476; G03G5/14791
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
54 words
An electrophotographic image-holding member for holding electrostatic images and/or toner images comprising a support layer, a photoconductive layer overlying the support layer and an insulating layer on the surface of the member comprising (i) a curable epoxyacrylate resin having as a polymerization unit, bisphenol A diglycidyl ether diacrylate, and (ii) a silicone leveling agent.
Claim 2
Dependent Claim
54 words
An electrophotographic image-holding member for holding electrostatic images and/or toner images comprising a support layer, a photoconductive layer overlying the support layer and an insulating layer on the surface of the member comprising (i) a curable epoxyacrylate resin having as a polymerization unit, bisphenol A diglycidyl ether diacrylate, and (ii) a silicone leveling agent.
Claim 3
Dependent Claim
20 words
An image-holding member according to claim 1 further comprising a resin layer between the insulating layer and the photoconductive layer.
Claim 4
Dependent Claim
17 words
An image-holding member according to claim 1 wherein the polymerization unit also comprises a polyfunctional acrylic monomer.
Claim 5
Dependent Claim
18 words
In image-holding member according to claim 1 wherein a silicone leveling agent is included in the insulating layer.
Claim 6
Dependent Claim
24 words
An image-holding member according to claim 1 wherein said insulating layer comprises the silicone levelling agent in an amount of 0.01 to 30 wt%.
Claim 7
Dependent Claim
55 words
An image-holding member according to claim 1 wherein said silicone levelling agent is such one which has the general formula ##STR3## wherein, R is selected from the group consisting of H, CH 3 --, C 2 H 5 --, C 3 H 7 -- and HOCH 2 -- and n and m are positive integers.
Claim 8
Dependent Claim
18 words
An image-holding member according to claim 1 wherein the insulating layer contains as a curing agent, an alkylanthraquinone.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US4092173A
Cited
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Cited
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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) | 1985-12-06 | 1986-06-07 | 1986-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-06 | 1990-06-07 | 1990-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-06 | 1994-06-07 | 1994-12-07 | $7700.00 | Window Closed / Lapsed |