US6063552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic clear display materials with biaxially oriented polyolefin sheet
Assignee: Eastman Kodak Co
•
Filing: 1998-09-17
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Granted: 2000-05-16
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Expires: 2018-09-17
Abstract
Abstract The invention relates to a photographic element comprising a transparent polymer sheet, at least one layer of biaxially oriented polyolefin sheet and at least one image layer wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 90% and a reflection density less than 10%.
Inventors
- 👤 Robert P. Bourdelais
- 👤 Alphonse D. Camp
- 👤 Peter T. Aylward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:01
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/795; G03C7/00; G03C7/30; G03C7/3029; Y; Y10; Y10S; Y10S430/00; Y10S430/14
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
57 words
A photographic element comprising a transparent polymer sheet, at least one layer of biaxially oriented polyolefin sheet and at least one image layer wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 90% and a reflection density less than 10%.
Claim 2
Dependent Claim
57 words
A photographic element comprising a transparent polymer sheet, at least one layer of biaxially oriented polyolefin sheet and at least one image layer wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 90% and a reflection density less than 10%.
Claim 3
Dependent Claim
16 words
The photographic element of claim 1 wherein said reflection density is between 3 and about 8%.
Claim 4
Dependent Claim
24 words
The photographic element of claim 1 wherein said biaxially oriented polyolefin sheet has an integral layer of polyethylene on the top of said sheet.
Claim 5
Dependent Claim
15 words
The photographic element of claim I wherein said spectral transmission is between 92 and 98%.
Claim 6
Dependent Claim
16 words
The photographic element of claim 1 wherein said transparent polymer sheet is substantially free of pigment.
Claim 7
Dependent Claim
36 words
The photographic element of claim 1 wherein said at least one image layer comprises at least one imaging layer containing silver halide and a dye forming coupler located on the top side of said imaging element.
Claim 8
Dependent Claim
18 words
The photographic element of claim 1 wherein said biaxially oriented polyolefin sheet is substantially free of white pigments.
Claim 9
Dependent Claim
12 words
The photographic element of claim 1 wherein said polymer sheet comprises polyester.
Claim 10
Independent Claim
79 words
A method of imaging comprising providing an photographic element comprising a transparent polymer sheet, at least one layer of biaxially oriented polyolefin sheet and at least one image layer comprising silver halide and a dye forming coupler, wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 90% and a reflection density less than 10%, exposing said image layer, and developing an image.
Claim 11
Independent Claim
79 words
A method of imaging comprising providing an photographic element comprising a transparent polymer sheet, at least one layer of biaxially oriented polyolefin sheet and at least one image layer comprising silver halide and a dye forming coupler, wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 90% and a reflection density less than 10%, exposing said image layer, and developing an image.
Claim 12
Dependent Claim
15 words
The method of claim 9 wherein said reflection density is between 3 and about 8%.
Claim 13
Dependent Claim
23 words
The method of claim 9 wherein said biaxially oriented polyolefin sheet has an integral layer of polyethylene on the top of said sheet.
Claim 14
Dependent Claim
14 words
The method of claim 9 wherein said spectral transmission is between 92 and 98%.
Claim 15
Dependent Claim
15 words
The method of claim 9 wherein said transparent polymer sheet is substantially free of pigment.
Claim 16
Dependent Claim
35 words
The method of claim 9 wherein said at least one image layer comprises at least one imaging layer containing silver halide and a dye forming coupler located on the top side of said imaging element.
Claim 17
Dependent Claim
17 words
The method of claim 9 wherein said biaxially oriented polyolefin sheet is substantially free of white pigments.
Claim 18
Dependent Claim
11 words
The method of claim 9 wherein said polymer sheet comprises polyester.
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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) | 2003-05-16 | 2003-11-15 | 2004-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-05-16 | 2007-11-15 | 2008-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-05-16 | 2011-11-15 | 2012-05-16 | $7700.00 | Window Closed / Lapsed |