Patent US6436620B1 successfully refreshed from Google Patents.
US6436620B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color switchable photographic display image
Assignee: Eastman Kodak Co
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Filing: 2001-04-27
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Granted: 2002-08-20
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Expires: 2021-04-27
Abstract
Abstract This invention relates to an imaging element comprising a translucent sheet, and at least three photosensitive dye forming coupler containing layers on the face side of said sheet, wherein said at least three photosensitive forming coupler containing layers comprise a cyan dye forming layer comprising a cyan dye forming coupler in combination with a red sensitized photosensitive emulsion, a yellow dye forming layer comprising a yellow dye forming coupler in combination with a blue light sensitive photosensitive emulsion, a magenta dye forming layer comprising a magenta dye forming coupler and a green light sensitive photosensitive emulsion, and on the back side of said translucent polymer sheet at least one dye forming coupler comprising magenta dye forming coupler, cyan dye forming coupler, or yellow dye forming coupler in combination with a light sensitive silver halide emulsion sensitive to a different wavelength of visible light than it was in combination with on the face side.
Inventors
- 👤 Peter T. Aylward
- 👤 Robert P. Bourdelais
- 👤 Alphonse D. Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:46
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3029
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
149 words
An imaging element comprising a translucent sheet, and at least three photosensitive dye forming coupler containing layers on the face side of said sheet, wherein said at least three photosensitive forming coupler containing layers comprise a cyan dye forming layer comprising a cyan dye forming coupler in combination with a red sensitized photosensitive emulsion, a yellow dye forming layer comprising a yellow dye forming coupler in combination with a blue light sensitive photosensitive emulsion, a magenta dye forming layer comprising a magenta dye forming coupler and a green light sensitive photosensitive emulsion, and on the back side of said translucent polymer sheet at least one dye forming coupler comprising magenta dye forming coupler, cyan dye forming coupler, or yellow dye forming coupler in combination with a light sensitive silver halide emulsion sensitive to a different wavelength of visible light than it was in combination with on the face side.
Claim 2
Dependent Claim
149 words
An imaging element comprising a translucent sheet, and at least three photosensitive dye forming coupler containing layers on the face side of said sheet, wherein said at least three photosensitive forming coupler containing layers comprise a cyan dye forming layer comprising a cyan dye forming coupler in combination with a red sensitized photosensitive emulsion, a yellow dye forming layer comprising a yellow dye forming coupler in combination with a blue light sensitive photosensitive emulsion, a magenta dye forming layer comprising a magenta dye forming coupler and a green light sensitive photosensitive emulsion, and on the back side of said translucent polymer sheet at least one dye forming coupler comprising magenta dye forming coupler, cyan dye forming coupler, or yellow dye forming coupler in combination with a light sensitive silver halide emulsion sensitive to a different wavelength of visible light than it was in combination with on the face side.
Claim 3
Dependent Claim
27 words
An imaging element of claim 1 wherein said back side comprises a layer comprising cyan dye forming coupler in combination with an emulsion sensitive to blue light.
Claim 4
Dependent Claim
27 words
An imaging element of claim 1 wherein said back side comprises a layer comprising cyan dye forming coupler in combination with an emulsion sensitive to green light.
Claim 5
Dependent Claim
27 words
An imaging element of claim 1 wherein said back side comprises a layer comprising magenta dye forming coupler in combination with an emulsion sensitive to blue light.
Claim 6
Dependent Claim
27 words
An imaging element of claim 1 wherein said back side comprises a layer comprising magenta dye forming coupler in combination with an emulsion sensitive to red light.
Claim 7
Dependent Claim
27 words
An imaging element of claim 1 wherein said back side comprises a layer comprising yellow dye forming coupler in combination with an emulsion sensitive to green light.
Claim 8
Dependent Claim
27 words
An imaging element of claim 1 wherein said back side comprises a layer comprising yellow dye forming coupler in combination with an emulsion sensitive to red light.
Claim 9
Dependent Claim
45 words
An imaging element of claim 1 wherein said back side comprises each of the three couplers on the face side in combination with a sensitized emulsion of a different color sensitivity than each of the three couplers was in combination with on the face side.
Claim 10
Dependent Claim
25 words
The imaging element of claim 1 wherein said translucent sheet comprises a translucent polymer sheet having a spectral transmission of between 35 and 65 percent.
Claim 11
Dependent Claim
25 words
The imaging element of claim 1 wherein said translucent sheet comprises a translucent polymer sheet having a spectral transmission of between 40 and 60 percent.
Claim 12
Dependent Claim
15 words
The imaging element of claim 1 wherein said translucent sheet comprises a translucent cellulose fiber.
Claim 13
Dependent Claim
16 words
The imaging element of claim 1 wherein said translucent sheet comprises a coextruded sheet of polyester.
Claim 14
Dependent Claim
15 words
The imaging element of claim 1 wherein said translucent sheet comprises laminated biaxially oriented polymer.
Claim 15
Dependent Claim
15 words
The imaging element of claim 1 wherein said translucent sheet comprises an adhesion promoting layer.
Claim 16
Dependent Claim
17 words
The imaging element of claim 1 wherein said translucent sheet comprises tinting aids and or optical brighteners.
Claim 17
Dependent Claim
12 words
The imaging element of claim 1 wherein said translucent sheet comprises voids.
Claim 18
Dependent Claim
13 words
The imaging element of claim 1 wherein said translucent sheet comprises white pigment.
Claim 19
Dependent Claim
25 words
The imaging element of claim 1 wherein said translucent sheet comprises at least one layer comprising voids and at least one layer comprising white pigment.
Claim 20
Dependent Claim
14 words
The imaging element of claim 1 wherein said translucent sheet further comprises an antistat.
Claim 21
Independent Claim
184 words
The method of creating switchable photographic image comprising providing an imaging element comprising a translucent sheet, and at least three photosensitive dye forming coupler containing layers on the face side of said sheet, wherein said at least three photosensitive forming coupler containing layers comprise a cyan dye forming layer comprising a cyan dye forming coupler in combination with a red sensitized photosensitive emulsion, a yellow dye forming layer comprising a yellow dye forming coupler in combination with a blue light sensitive photosensitive emulsion, a magenta dye forming layer comprising a magenta dye forming coupler and a green light sensitive photosensitive emulsion, and on the back side of said translucent polymer sheet at least one dye forming coupler comprising magenta dye forming coupler, cyan dye forming coupler, or yellow dye forming coupler in combination with a light sensitive silver halide emulsion sensitive to a different wavelength of visible light than it was in combination with on the face side imaging said member, developing said image, placing the developed image at spaced separation from a light source, controlling said light source such that its intensity varies.
Claim 22
Independent Claim
184 words
The method of creating switchable photographic image comprising providing an imaging element comprising a translucent sheet, and at least three photosensitive dye forming coupler containing layers on the face side of said sheet, wherein said at least three photosensitive forming coupler containing layers comprise a cyan dye forming layer comprising a cyan dye forming coupler in combination with a red sensitized photosensitive emulsion, a yellow dye forming layer comprising a yellow dye forming coupler in combination with a blue light sensitive photosensitive emulsion, a magenta dye forming layer comprising a magenta dye forming coupler and a green light sensitive photosensitive emulsion, and on the back side of said translucent polymer sheet at least one dye forming coupler comprising magenta dye forming coupler, cyan dye forming coupler, or yellow dye forming coupler in combination with a light sensitive silver halide emulsion sensitive to a different wavelength of visible light than it was in combination with on the face side imaging said member, developing said image, placing the developed image at spaced separation from a light source, controlling said light source such that its intensity varies.
Claim 23
Dependent Claim
26 words
The method of claim 20 wherein said imaging member comprises a layer comprising cyan dye forming coupler in combination with an emulsion sensitive to blue light.
Claim 24
Dependent Claim
26 words
The method of claim 20 wherein said imaging member comprises a layer comprising cyan dye forming coupler in combination with an emulsion sensitive to green light.
Claim 25
Dependent Claim
26 words
The method of claim 20 wherein said imaging member comprises a layer comprising magenta dye forming coupler in combination with an emulsion sensitive to red light.
Claim 26
Dependent Claim
26 words
The method of claim 20 wherein said imaging member comprises a layer comprising yellow dye forming coupler in combination with an emulsion sensitive to green light.
Claim 27
Dependent Claim
26 words
The method of claim 20 wherein said imaging member comprises a layer comprising yellow dye forming coupler in combination with an emulsion sensitive to red light.
Claim 28
Dependent Claim
44 words
The method of claim 20 wherein said imaging member comprises each of the three couplers on the face side in combination with a sensitized emulsion of a different color sensitivity than each of the three couplers was in combination with on the face side.
Claim 29
Dependent Claim
24 words
The method of claim 20 wherein said translucent sheet comprises a translucent polymer sheet having a spectral transmission of between 40 and 60 percent.
Claim 30
Dependent Claim
15 words
The method of claim 20 wherein said translucent sheet comprises said translucent sheet comprises voids.
Claim 31
Dependent Claim
12 words
The method of claim 20 wherein said translucent sheet comprises an antistat.
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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) | 2005-08-19 | 2006-02-18 | 2006-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-08-19 | 2010-02-18 | 2010-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-08-19 | 2014-02-18 | 2014-08-20 | $7700.00 | Window Closed / Lapsed |