US6071654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nontransparent transmission display material with maintained hue angle
Assignee: Eastman Kodak Co
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Filing: 1998-09-17
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Granted: 2000-06-06
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Expires: 2018-09-17
Abstract
Abstract The invention relates to a photographic element comprising a translucent base and a color forming layer comprising at least one silver halide emulsion layer and dye forming coupler, wherein said base comprises at least one polymer sheet comprising a transparent polymer sheet containing voids, with the proviso that said translucent sheet is substantially free of white light reflecting pigments and wherein said translucent sheet has a light transmission of between 15% and 85%.
Inventors
- 👤 Alphonse D. Camp
- 👤 Peter T. Aylward
- 👤 Robert P. Bourdelais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:31
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/795; G03C7/00; G03C7/30; G03C7/3041; Y; Y10; Y10S; Y10S430/00; Y10S430/151
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
82 words
A photographic element comprising a translucent base and a color forming layer comprising at least one silver halide emulsion layer and dye forming coupler, wherein said base comprises at least one polymer sheet comprising a transparent polymer sheet containing voids, with the proviso that said translucent sheet is substantially free of white light reflecting pigments and wherein said translucent base has a light transmission of between 15% and 85%, wherein said translucent base comprises an integral composite coextruded biaxially oriented polyolefin sheet.
Claim 2
Dependent Claim
82 words
A photographic element comprising a translucent base and a color forming layer comprising at least one silver halide emulsion layer and dye forming coupler, wherein said base comprises at least one polymer sheet comprising a transparent polymer sheet containing voids, with the proviso that said translucent sheet is substantially free of white light reflecting pigments and wherein said translucent base has a light transmission of between 15% and 85%, wherein said translucent base comprises an integral composite coextruded biaxially oriented polyolefin sheet.
Claim 3
Dependent Claim
34 words
The photographic element of claim 1 wherein said translucent base is a laminate comprising a transparent polymer sheet having laminated thereto said translucent sheet, and said translucent sheet comprises said biaxially oriented polyolefin sheet.
Claim 4
Dependent Claim
15 words
The photographic element of claim 1 wherein said transparent polymer sheet comprises polyester polymer sheet.
Claim 5
Dependent Claim
24 words
The photographic element of claim 1 wherein said biaxially oriented polyolefin sheet comprises a multilayer coextruded sheet wherein at least one layer is voided.
Claim 6
Dependent Claim
31 words
The photographic element of claim 1 wherein said photographic element comprises at least one layer comprising light sensitive silver halide and a dye forming coupler on each side of said base.
Claim 7
Dependent Claim
23 words
The photographic element of claim 5 wherein said voided polyester sheet comprises a multilayer coextruded sheet wherein at least one layer is voided.
Claim 8
Dependent Claim
15 words
The photographic element of claim 1 wherein said light transmission is between 34 and 42%.
Claim 9
Dependent Claim
38 words
The photographic element of claim 1 wherein said element after exposure and development has a change in hue angle of less than about 5 degrees from the hue angle of the same dye on a substantially transparent base.
Claim 10
Dependent Claim
15 words
The photographic element of claim 1 wherein said light transmission is between 85% and 40%.
Claim 11
Dependent Claim
22 words
The photographic element of claim 1 wherein the average void percentage of said transparent polymer is between 10% and 60% by volume.
Claim 12
Dependent Claim
22 words
The photographic element of claim 1 wherein the void initiating material in the voids of said base is not a pigmented material.
Claim 13
Dependent Claim
127 words
A display apparatus comprising a container provided with one side that is at least partially open or transparent, a light source adapted to provide light directed to the open or transparent side, means to suspend a photographic element comprising a base, a color layer formed by the reaction of at least one silver halide emulsion layer and dye forming coupler, wherein said base comprises a translucent polymer sheet comprising a transparent polymer containing voids, with the proviso that said translucent sheet is substantially free of white light reflecting pigments and said translucent sheet has a light transmission between 15% and 85% and is suspended in said one side that is at least partially open, wherein said translucent base comprises an integral composite coextruded biaxally oriented polyolefin sheet.
Claim 14
Dependent Claim
127 words
A display apparatus comprising a container provided with one side that is at least partially open or transparent, a light source adapted to provide light directed to the open or transparent side, means to suspend a photographic element comprising a base, a color layer formed by the reaction of at least one silver halide emulsion layer and dye forming coupler, wherein said base comprises a translucent polymer sheet comprising a transparent polymer containing voids, with the proviso that said translucent sheet is substantially free of white light reflecting pigments and said translucent sheet has a light transmission between 15% and 85% and is suspended in said one side that is at least partially open, wherein said translucent base comprises an integral composite coextruded biaxally oriented polyolefin sheet.
Claim 15
Dependent Claim
34 words
The display apparatus of claim 12 wherein said translucent base is a laminate comprising a transparent polymer sheet having laminated thereto said translucent sheet, and said translucent sheet comprises a biaxially oriented polyolefin sheet.
Claim 16
Dependent Claim
20 words
The display apparatus of claim 12 wherein said translucent base consists of an integral composite coextruded biaxially oriented polyolefin sheet.
Claim 17
Dependent Claim
24 words
The display apparatus of claim 14 wherein said biaxially oriented polyolefin sheet comprises a multilayer coextruded sheet wherein at least one layer is voided.
Claim 18
Dependent Claim
15 words
The display apparatus of claim 13 wherein said light transmission is between 34 and 42%.
Claim 19
Dependent Claim
15 words
The display apparatus of claim 13 wherein said transparent polymer sheet comprises a polyester sheet.
Claim 20
Dependent Claim
38 words
The display apparatus of claim 13 wherein said element after exposure and development has a change in hue angle of less than about 5 degrees from the hue angle of the same dye on a substantially transparent base.
Claim 21
Dependent Claim
15 words
The display apparatus of claim 13 wherein said light transmission is between 85% and 40%.
Claim 22
Dependent Claim
22 words
The display apparatus of claim 12 wherein the average void percentage of said transparent polymer is between 10% and 60% by volume.
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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 |