US6071680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflective photographic display material with voided polyester layer
Assignee: Eastman Kodak Co
•
Filing: 1998-12-21
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Granted: 2000-06-06
•
Expires: 2018-12-21
Abstract
Abstract A photographic member comprising a polymer sheet comprising at least one layer of voided polyester polymer and at least one layer comprising polyethylene polymer, wherein said at least one polyethylene polymer layer comprises tints and wherein the imaging member has a percent transmission of less than 15%.
Inventors
- 👤 Robert P. Bourdelais
- 👤 Alphonse D. Camp
- 👤 Thomas M. Laney
- 👤 Peter T. Aylward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:02
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/7614; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249978; Y10T428/249979
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
50 words
A photographic imaging member comprising a coextruded integral polymer sheet comprising at least one layer of voided polyester polymer and at least one layer comprising polyethylene polymer, wherein said at least one polyethylene polymer layer comprises tints and wherein the imaging member has a percent transmission of less than 15%.
Claim 2
Dependent Claim
50 words
A photographic imaging member comprising a coextruded integral polymer sheet comprising at least one layer of voided polyester polymer and at least one layer comprising polyethylene polymer, wherein said at least one polyethylene polymer layer comprises tints and wherein the imaging member has a percent transmission of less than 15%.
Claim 3
Dependent Claim
13 words
The photographic imaging member of claim 1 wherein said polymer sheet is oriented.
Claim 4
Dependent Claim
19 words
The photographic imaging member of claim 1 wherein said polymer sheet comprises a back and a front polyethylene layer.
Claim 5
Dependent Claim
17 words
The photographic imaging member of claim 1 wherein said member further comprises at least one subbing layer.
Claim 6
Dependent Claim
23 words
The photographic imaging member of claim 1 wherein said void space comprises between about 2 and 60% by volume of said polymer sheet.
Claim 7
Dependent Claim
21 words
The photographic imaging member of claim 1 wherein said photographic imaging member has a thickness of between 76 and 256 μm.
Claim 8
Dependent Claim
13 words
The photographic imaging member of claim 1 wherein said tints comprise bluing tints.
Claim 9
Dependent Claim
14 words
The photographic imaging member of claim 1 wherein said polymer sheet comprises optical brighteners.
Claim 10
Dependent Claim
15 words
The photographic imaging member of claim 1 wherein said polymer sheet comprises TiO 2 .
Claim 11
Dependent Claim
28 words
The photographic imaging member of claim 1 wherein said polymer sheet comprises pigments selected from the group consisting of barium sulfate, clay, talc, TiO 2 and zinc oxide.
Claim 12
Dependent Claim
22 words
The photographic imaging member of claim 1 further comprising a top layer comprising a photosensitive silver halide and a dye forming coupler.
Claim 13
Dependent Claim
20 words
The photographic imaging member of claim 1 wherein said polyethylene polymer layer has a thickness between 0.75 and 7.0 micrometers.
Claim 14
Dependent Claim
34 words
The photographic imaging member of claim 1 wherein at least one layer below said polyethylene containing layer comprises a charge control agent having an electrical resistivity of less than 10 11 log-ohms per square.
Claim 15
Dependent Claim
24 words
The photographic imaging member of claim 1 wherein said voided layer contains organic particles that are the voiding initiating material for said voided layer.
Claim 16
Dependent Claim
24 words
The photographic imaging member of claim 1 wherein the back of said imaging member has a surface roughness of between 0.3 and 2.0 μm.
Claim 17
Dependent Claim
24 words
The photographic imaging member of claim 7 wherein the top of said imaging member has a surface roughness of between 0.02 and 0.25 micrometers.
Claim 18
Dependent Claim
14 words
The photographic imaging number of claim 7 where said polymer sheet is biaxally oriented.
Claim 19
Dependent Claim
14 words
The photographic imaging number of claim 1 where said polymer sheet is biaxally oriented.
Claim 20
Dependent Claim
21 words
The photographic member of claim 7 further comprising at least one layer comprising photo sensitive silver halide and dye forming coupler.
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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) | 2003-06-06 | 2003-12-06 | 2004-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-06-06 | 2007-12-06 | 2008-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-06-06 | 2011-12-06 | 2012-06-06 | $7700.00 | Window Closed / Lapsed |