US6124083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic layer with electrically conducting polymer for imaging element
Assignee: Eastman Kodak Co
•
Filing: 1998-10-15
•
Granted: 2000-09-26
•
Expires: 2018-10-15
Abstract
Abstract The present invention is an imaging element which includes a support, an image-forming layer superposed on the support and an electrically-conductive layer superposed on the support. The electrically-conductive layer is composed of a sulfonated polyurethane film-forming binder and an electrically-conductive polymer.
Inventors
- 👤 Debasis Majumdar
- 👤 Dennis J. Eichorst
- 👤 Charles C. Anderson
- 👤 Dennis J. Savage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/0804; C08G18/0819; C08G18/0828; G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89; G03F; G03F7/00; G03F7/004; G03F7/09; G03F7/093; G03C1/005; G03C1/04; G03C1/053
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
62 words
An imaging element comprising a support; at least one image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and an electrically-conductive polymer; wherein the electrically-conducting polymer comprises substituted pyrrole-containing polymers, unsubstituted pyrrole-containing polymers, substituted thiophene-containing polymers, unsubstituted thiophene-containing polymers, substituted aniline-containing polymers or unsubstituted aniline-containing polymers.
Claim 2
Dependent Claim
62 words
An imaging element comprising a support; at least one image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and an electrically-conductive polymer; wherein the electrically-conducting polymer comprises substituted pyrrole-containing polymers, unsubstituted pyrrole-containing polymers, substituted thiophene-containing polymers, unsubstituted thiophene-containing polymers, substituted aniline-containing polymers or unsubstituted aniline-containing polymers.
Claim 3
Dependent Claim
39 words
The imaging element of claim 1 wherein the support is selected from the group consisting of cellulose nitrate film, cellulose acetate film, poly(vinyl acetal) film, polystyrene film, poly(ethylene terephthalate) film, poly(ethylene naphthalate) film, polycarbonate film, glass, metal and paper.
Claim 4
Dependent Claim
36 words
An imaging element according to claim 1, wherein said electrically-conductive layer is superposed on the support between the support and an image-forming layer, superposed on the side of said support opposite an imaging-forming layer, or both.
Claim 5
Dependent Claim
32 words
The imaging element of claim 1, wherein the electrically-conducting layer further comprises as a further component a polymer selected from the group consisting of sulfonated polystyrenes, sulfonated styrene-maleic anhydrides and polyester ionomers.
Claim 6
Dependent Claim
30 words
The imaging element of claim 1, wherein the electrically-conducting layer further comprises surfactants, coating aids, charge control agents, thickeners, coalescing aids, crosslinking agents, particle dyes, antifoggants, matte beads or lubricants.
Claim 7
Dependent Claim
23 words
The imaging element of claim 1, wherein the amount of the electrically-conducting polymer in the dried electrically conducting layer is 0.1-99 weight %.
Claim 8
Dependent Claim
24 words
The imaging element of claim 1, wherein the amount of the sulfonated film-forming polyurethane binder in the dried electrically-conducting layer is 1-99.9 weight %.
Claim 9
Dependent Claim
25 words
The imaging element of claim 1 wherein the electrically-conducting layer comprises a dry weight coverage of between 5 mg/m 2 and 10,000 mg/m 2 .
Claim 10
Dependent Claim
18 words
The imaging element of claim 1, wherein the sulfonated polyurethane film-forming binder comprises an anionic aliphatic aqueous-dispersible polyurethane.
Claim 11
Dependent Claim
64 words
A photographic element comprising: a support; at least one silver halide image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and an electrically-conductive polymer; wherein the electrically-conducting polymer comprises substituted pyrrole-containing polymers, unsubstituted pyrrole-containing polymers, substituted thiophene-containing polymers, unsubstituted thiophene-containing polymers, substituted aniline-containing polymers or unsubstituted aniline-containing polymers.
Claim 12
Dependent Claim
64 words
A photographic element comprising: a support; at least one silver halide image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and an electrically-conductive polymer; wherein the electrically-conducting polymer comprises substituted pyrrole-containing polymers, unsubstituted pyrrole-containing polymers, substituted thiophene-containing polymers, unsubstituted thiophene-containing polymers, substituted aniline-containing polymers or unsubstituted aniline-containing polymers.
Claim 13
Dependent Claim
44 words
An imaging element comprising: a support; at least one image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and polypyrrole styrene sulfonate or 3,4-dialkoxy substituted polypyrrole styrene sulfonate.
Claim 14
Dependent Claim
44 words
An imaging element comprising: a support; at least one image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and polypyrrole styrene sulfonate or 3,4-dialkoxy substituted polypyrrole styrene sulfonate.
Claim 15
Dependent Claim
40 words
An imaging element comprising: a support; at least one image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and 3,4-dialkoxy substituted polythiophene styrene sulfonate.
Claim 16
Dependent Claim
40 words
An imaging element comprising: a support; at least one image-forming layer superposed on the support; and at least one electrically-conductive layer superposed on the support; said electrically-conductive layer comprising a sulfonated polyurethane film-forming binder and 3,4-dialkoxy substituted polythiophene styrene sulfonate.
Claim 17
Dependent Claim
36 words
An imaging element according to claim 11, wherein said support is selected from cellulose nitrate film, cellulose acetate film, poly(vinyl acetal) film, polystyrene film, poly(ethylene terephthalate) film, poly(ethylene naphthalate) film, polycarbonate film, glass, metal and paper.
Claim 18
Dependent Claim
16 words
An imaging element according to claim 11, wherein said electrically-conductive layer contains poly(3,4-ethylene dioxypyrrole styrene sulfonate).
Claim 19
Dependent Claim
40 words
An imaging element according to claim 12, wherein said support is selected from the group consisting of cellulose nitrate film, cellulose acetate film, poly(vinyl acetal) film, polystyrene film, poly(ethylene terephthalate) film, poly(ethylene naphthalate) film, polycarbonate film, glass, metal and paper.
Claim 20
Dependent Claim
16 words
An imaging element according to claim 12, wherein said electrical-conductive layer contains poly(3,4-ethylene dioxythiophene styrene sulfonate).
Claim 21
Dependent Claim
23 words
An imaging element according to claim 4, wherein the amount of said further component is 5-20 wt % of the dried electrically-conductive layer.
Claim 22
Dependent Claim
75 words
An imaging element according to claim 1, wherein the amount of electrically-conductive polymer in the dried electrically-conductive layer is 1-99 wt %, and the amount of sulfonated film-forming polyurethane binder in the dried electrically-conductive layer is 1-99.9 wt %, and wherein the dried electrically-conductive layer optionally contains a further component in an amount of 0-30 wt %, said further component being selected from the group consisting of sulfonated polystyrenes, sulfonated styrene-maleic anhydrides and polyester ionomers.
Claim 23
Dependent Claim
39 words
An imaging element according to claim 1, wherein the amount of electrically-conductive polymer in the dried electrically-conductive layer is 10-70 wt %, and the amount of sulfonated film-forming polyurethane binder in the dried electrically-conductive layer is 30-90 wt %.
References Cited (Backward Citations)
US4070189A
Cited
US4571365B1
Cited
US4571365A
Cited
US4275103A
Cited
US4495276A
Cited
US4416963A
Cited
US4431764A
Cited
US4418141A
Cited
US4394441A
Cited
US4571361A
Cited
US4442168A
Cited
US4731408A
Cited
EP0250154A2
Cited
US4880703A
Cited
US5204219A
Cited
EP0301827B1
Cited
US4987042A
Cited
US4999276A
Cited
US5312681A
Cited
US5122445A
Cited
US5628932A
Cited
US5585037A
Cited
US5093439A
Cited
US5300575A
Cited
JPH0455492A
Cited
US5273822A
Cited
US5294525A
Cited
US5403467A
Cited
US5370981A
Cited
US5350448A
Cited
US5372924A
Cited
US5354613A
Cited
US5236818A
Cited
US5443944A
Cited
US5391472A
Cited
US5382494A
Cited
US5340676A
Cited
US5459021A
Cited
US5368995A
Cited
US5575898A
Cited
US5466567A
Cited
US5484694A
Cited
US5707791A
Cited
US5716550A
Cited
US5679505A
Cited
US5695920A
Cited
US5674654A
Cited
US5665498A
Cited
US5700623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-09-26 | 2004-03-27 | 2004-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-09-26 | 2008-03-27 | 2008-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-09-26 | 2012-03-27 | 2012-09-26 | $7700.00 | Window Closed / Lapsed |