Patent US5366855A successfully refreshed from Google Patents.
US5366855A
Expired / Lapsed
US
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Photographic support comprising an antistatic layer and a protective overcoat
Assignee: Eastman Kodak Co
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Filing: 1994-03-31
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Granted: 1994-11-22
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Expires: 2014-03-31
Abstract
Abstract An imaging element comprising a support, a light-sensitive layer and an antistat layer, the antistat layer being overcoated with a protective layer of a coalesced layer of film-forming colloidal polymeric particles and non-film-forming colloidal polymeric particles.
Inventors
- 👤 Charles C. Anderson
- 👤 Yongcai Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:08
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/853; G03C1/7614; G03C1/005; G03C1/04; G03C1/053; G03C1/06; G03C1/38; G03C1/385; G03C1/795; G03C1/7954; Y; Y10; Y10S; Y10S430/00; Y10S430/162
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
36 words
An imaging element comprising a support, a light-sensitive layer and an antistatic layer, the antistatic layer being overcoated with a protective layer of a coalesced layer of film-forming colloidal polymeric particles and non-film-forming colloidal polymeric particles.
Claim 2
Dependent Claim
36 words
An imaging element comprising a support, a light-sensitive layer and an antistatic layer, the antistatic layer being overcoated with a protective layer of a coalesced layer of film-forming colloidal polymeric particles and non-film-forming colloidal polymeric particles.
Claim 3
Dependent Claim
22 words
The imaging element of claim 1 wherein the coalesced layer containing 20 to 70 percent by weight of the film forming polymer.
Claim 4
Dependent Claim
23 words
The imaging element of claim 2 wherein the film forming polymer is present in the amount of 30 to 50 percent by weight.
Claim 5
Dependent Claim
17 words
The imaging element of claim 1 wherein the antistat layer deleteriously affected by the photographic processing solution.
Claim 6
Dependent Claim
13 words
The imaging element of claim 4 wherein the antistat layer contains vanadium pentoxide.
Claim 7
Dependent Claim
16 words
The imaging element of claim 1 wherein the light-sensitive layer is a silver halide emulsion layer.
Claim 8
Dependent Claim
15 words
The imaging element of claim 1 wherein the light-sensitive layer is a thermal imaging layer.
Claim 9
Dependent Claim
18 words
The imaging element of claim 1 wherein the polymer of the film-forming colloidal particles is an addition polymer.
Claim 10
Dependent Claim
18 words
The imaging element of claim 1 wherein the polymer of the film-forming colloidal particles is a condensation polymer.
Claim 11
Dependent Claim
17 words
The imaging element of claim 9 wherein the condensation polymer is a polyurethane or a polyester ionomer.
Claim 12
Dependent Claim
13 words
The imaging element of claim 10 wherein the condensation polymer is a polyurethane.
Claim 13
Dependent Claim
14 words
The imaging element of claim 10 wherein the condensation polymer is a polyester ionomer.
Claim 14
Dependent Claim
18 words
The imaging element of claim 1 wherein the coalesced layer has a coefficient of friction less than 0.25.
Claim 15
Dependent Claim
21 words
The imaging element of claim 1 wherein at least a portion of the non-film-forming colloidal polymer particles is a fluoro-containing polymer.
Claim 16
Dependent Claim
20 words
The imaging element of claim 1 wherein the film-forming colloidal polymeric particles or the non-film-forming colloidal polymeric particles are crosslinked.
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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) | 1997-11-21 | 1998-05-23 | 1998-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-11-21 | 2002-05-23 | 2002-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-11-21 | 2006-05-23 | 2006-11-22 | $7700.00 | Window Closed / Lapsed |