Patent US5674654A successfully refreshed from Google Patents.
US5674654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imaging element containing an electrically-conductive polymer blend
Assignee: Eastman Kodak Co
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Filing: 1996-09-19
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Granted: 1997-10-07
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Expires: 2016-09-19
Abstract
Abstract Imaging element, such as photographic electrostatographic thermal imaging elements are comprised of a support, an imaging-forming layer, and a transparent electrically-conductive layer which includes an effective amount of polypyrrole/poly(styrene sulfonic acid). In a preferred embodiment, the polypyrrole/poly(styrene sulfonic acid) is dispersed in a binder.
Inventors
- 👤 Nicholas Zumbulyadis
- 👤 William Patrick McKenna
- 👤 Brian Kenneth Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:52
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/10; G03G5/105; G03G5/108; B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5254; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
27 words
An imaging element for use in an image-forming process; said imaging element comprising a support, an image-forming layer; and a transparent electrically-conductive layer comprising polypyrrole/poly(styrene sulfonic acid).
Claim 2
Dependent Claim
27 words
An imaging element for use in an image-forming process; said imaging element comprising a support, an image-forming layer; and a transparent electrically-conductive layer comprising polypyrrole/poly(styrene sulfonic acid).
Claim 3
Dependent Claim
18 words
The imaging element according to claim 1, wherein the polypyrrole/poly(styrene sulfonic acid) is dispersed in a film-forming binder.
Claim 4
Dependent Claim
13 words
The imaging element according to claim 2, wherein the film-forming binder is gelatin.
Claim 5
Dependent Claim
15 words
The imaging element according to claim 1, wherein the polypyrrole/poly(styrene sulfonic acid) includes substituted pyrrole.
Claim 6
Dependent Claim
19 words
A transparent coating composition for use in an imaging element comprising: polypyrrole/poly(styrene sulfonic acid) dispersed in a film-forming binder.
Claim 7
Dependent Claim
19 words
A transparent coating composition for use in an imaging element comprising: polypyrrole/poly(styrene sulfonic acid) dispersed in a film-forming binder.
Claim 8
Dependent Claim
14 words
The transparent coating composition according to claim 5, wherein the film-forming binder is gelatin.
Claim 9
Dependent Claim
16 words
The transparent coating composition according to claim 5, wherein the poly-pyrrole/poly(styrene sulfonic acid) includes substituted pyrrole.
References Cited (Backward Citations)
US3245833A
Cited
US3681070A
Cited
NL7007060A
Cited
US4078935A
Cited
US4203769A
Cited
US4571365B1
Cited
US4571365A
Cited
US4275103A
Cited
US4495276A
Cited
US4416963A
Cited
US4431764A
Cited
US4418141A
Cited
US4394441A
Cited
US4571361A
Cited
US4442168A
Cited
JPS62296152A
Cited
EP0250154A2
Cited
US4845369A
Cited
US5204219A
Cited
EP0301827B1
Cited
US4999276A
Cited
US5324463A
Cited
US5202061A
Cited
US5122445A
Cited
US5116666A
Cited
US5236627A
Cited
JPH0455492A
Cited
US5236818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-10-06 | 2001-04-07 | 2001-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-06 | 2005-04-07 | 2005-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-06 | 2009-04-07 | 2009-10-07 | $7700.00 | Window Closed / Lapsed |