Patent US6274284B1 successfully refreshed from Google Patents.
US6274284B1
Expired / Lapsed
US
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Nacreous imaging material
Assignee: Eastman Kodak Co
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Filing: 1999-12-22
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Granted: 2001-08-14
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Expires: 2019-12-22
Abstract
Abstract The invention relates to an imaging member comprising an image layer, a voided layer below said image layer, and below said voided layer a layer comprising white pigment wherein said imaging member is substantially free of white pigment above said voided layer, and said voided layer comprises a polymer matrix and voids containing gas.
Inventors
- 👤 Peter T. Aylward
- 👤 Alphonse D. Camp
- 👤 Robert P. Bourdelais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:21
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/18; B32B27/20; B32B27/06; B32B27/08; B32B27/10; B32B27/32; B32B27/36; B32B3/00; B32B3/26; G; G03; G03C; G03C1/00; G03C1/76; G03C1/775; G03C1/79; B32B2307/00; B32B2307/50; B32B2307/514; B32B2307/518; B32B2367/00
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
76 words
An imaging member comprising an image layer and an oriented polymer sheet below said image layer, said polymer sheet comprising a voided layer and below and adjacent said voided layer a layer comprising white pigment, wherein said imaging member is substantially free of white pigment above said voided layer, said voided layer comprises a polymer matrix and voids containing gas and said white pigment containing layer has at least 0.1 grams per cc of titanium dioxide.
Claim 2
Dependent Claim
76 words
An imaging member comprising an image layer and an oriented polymer sheet below said image layer, said polymer sheet comprising a voided layer and below and adjacent said voided layer a layer comprising white pigment, wherein said imaging member is substantially free of white pigment above said voided layer, said voided layer comprises a polymer matrix and voids containing gas and said white pigment containing layer has at least 0.1 grams per cc of titanium dioxide.
Claim 3
Dependent Claim
28 words
The imaging member of claim 1 wherein said voided layer has voids which at any point in the member comprise at least six voids in the vertical direction.
Claim 4
Dependent Claim
25 words
The imaging member of claim 1 wherein said voided layer has voids which have a maximum length to maximum height ratio of greater than 4.0:1.
Claim 5
Dependent Claim
25 words
The imaging member of claim 1 wherein said voided layer has voids which have a maximum length to maximum width ratio of greater than 1:1.
Claim 6
Dependent Claim
26 words
The imaging member of claim 1 wherein said polymer matrix and the gas in the voids have a difference of refractive index of greater than 0.3.
Claim 7
Dependent Claim
21 words
The imaging member of claim 1 wherein said voids and said white pigment are both in a biaxially oriented polyolefin sheet.
Claim 8
Dependent Claim
19 words
The imaging member of claim 1 wherein said white pigment containing layer has a spectral transmission less than 22%.
Claim 9
Dependent Claim
19 words
The imaging member of claim 7 wherein said voided layer has a thickness of between 8 and 50 μm.
Claim 10
Dependent Claim
19 words
The imaging of claim 8 wherein a layer between said voided layer and said image layer comprises optical brightener.
Claim 11
Dependent Claim
21 words
The imaging member of claim 4 wherein said voids and said white pigment are both in a biaxially oriented polyester sheet.
Claim 12
Dependent Claim
13 words
The imaging member of claim 1 wherein said white pigment comprises titanium dioxide.
Claim 13
Dependent Claim
22 words
The imaging member of claim 1 wherein said voids have a thickness in the vertical direction of between 0.5 and 4 μm.
Claim 14
Dependent Claim
18 words
The imaging member of claim 1 wherein said imaging member is provided with a substrate comprising cellulose paper.
Claim 15
Dependent Claim
17 words
The imaging member of claim 1 wherein said imaging member is provided with a substrate comprising polyester.
Claim 16
Dependent Claim
20 words
The imaging member of claim 1 wherein said image layer comprises at least one layer comprising electrophotographic image receiving material.
Claim 17
Dependent Claim
23 words
The imaging member of claim 1 comprising a formed image in said image layer and a protective polymer layer overlaying said formed image.
Claim 18
Dependent Claim
19 words
The imaging member of claim 1 wherein said image layer comprises at least one layer containing photosensitive silver halide.
Claim 19
Dependent Claim
20 words
The imaging member of claim 1 wherein said image layer comprises at least one layer comprising ink jet receiving material.
Claim 20
Dependent Claim
20 words
The imaging member of claim 1 wherein said image layer comprises at least one layer comprising thermal dye receiving material.
Claim 21
Dependent Claim
16 words
The imaging member of claim 17 further comprising matte beads in an upper gelatin protective layer.
Claim 22
Dependent Claim
24 words
The imaging member of claim 16 wherein said imaging member is provided with a substrate comprising a bottom outward facing pressure sensitive adhesive layer.
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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) | 2004-08-13 | 2005-02-12 | 2005-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-08-13 | 2009-02-12 | 2009-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-08-13 | 2013-02-12 | 2013-08-14 | $7700.00 | Window Closed / Lapsed |