Patent US6037094A successfully refreshed from Google Patents.
US6037094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive material employing microcapsules and superabsorbent polymer
Assignee: Eastman Kodak Co
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Filing: 1998-10-23
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Granted: 2000-03-14
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Expires: 2018-10-23
Abstract
Abstract A photosensitivematerial including a support having a layer of photosensitive microcapsules on the surface thereof, the photosensitive microcapsules including an internal phase containing a photosensitive composition and a color precursor wherein, upon image-wise exposing the photosensitive material and rupturing the microcapsules, the color precursor is image-wise released from the microcapsules to form a color image, the photosensitive material further including a superabsorbent polymer or hydrogel, is disclosed.
Inventors
- 👤 Ibrahim Katampe
- 👤 Joseph C. Camillus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:31
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/002
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
70 words
A photosensitive material including a support having a layer of photosensitive microcapsules on the surface thereof, said photosensitive microcapsules including an internal phase containing a photosensitive composition and a color precursor wherein, upon image-wise exposing said photosensitive material and rupturing said microcapsules, said color precursor is image-wise released from the microcapsules to form a color image, said photosensitive material further including a superabsorbent polymer or hydrogel in said internal phase.
Claim 2
Dependent Claim
70 words
A photosensitive material including a support having a layer of photosensitive microcapsules on the surface thereof, said photosensitive microcapsules including an internal phase containing a photosensitive composition and a color precursor wherein, upon image-wise exposing said photosensitive material and rupturing said microcapsules, said color precursor is image-wise released from the microcapsules to form a color image, said photosensitive material further including a superabsorbent polymer or hydrogel in said internal phase.
Claim 3
Dependent Claim
16 words
The photosensitive material of claim 1 wherein said material further includes a layer of developer material.
Claim 4
Dependent Claim
24 words
The photosensitive material of claim 1 wherein said material comprises a first transparent support and a second support which may be transparent or opaque.
Claim 5
Dependent Claim
21 words
The photosensitive material of claim 3 wherein said first transparent support and said second support are sealed along their peripheral edges.
Claim 6
Dependent Claim
25 words
The photosensitive material of claim 4 wherein said material further includes a subbing layer between said first transparent support and said layer of photosensitive microcapsules.
Claim 7
Dependent Claim
26 words
The photosensitive material of claim 4 wherein said material further includes a layer of an adhesive between said layer of photosensitive microcapsules and said second support.
Claim 8
Dependent Claim
57 words
The photosensitive material of claim 1 wherein said superabsorbent polymer or hydrogel is selected from the group consisting of vinyl alcohol polymers or copolymers; acrylic or methacrylic acid polymers or copolymers; alkali metal salts of acrylic or methacrylic acid polymers or copolymers; and alkyl, hydroxyalkyl, or hydroxyalkyl ether esters of acrylic or methacrylic acid polymers or copolymers.
Claim 9
Dependent Claim
32 words
The photosensitive material of claim 1 wherein said superabsorbent polymer or hydrogel is present in said internal phase in an amount of about 0.05 to 2.5% by weight of the photosensitive composition.
Claim 10
Dependent Claim
31 words
The imaging system of claim 4 wherein said first transparent support is a clear polyethylene terephthalate film and said second support is an opaque polyethylene terephthalate film containing a white pigment.
Claim 11
Dependent Claim
100 words
A sealed, self-contained photosensitive material comprising first and second interfacing supports, said first support carrying a coating of photosensitive microcapsules, said microcapsules containing an internal phase which includes a photosensitive composition and a color precursor, and a developer material present on said first support carrying said layer of photosensitive microcapsules or on said second support wherein, upon image-wise exposing said layer of photosensitive microcapsules and rupturing said microcapsules, the color precursor is released from said microcapsules and reacts with said developer material to form a color image, wherein, said material includes a superabsorbent polymer or hydrogel in said internal phase.
Claim 12
Dependent Claim
100 words
A sealed, self-contained photosensitive material comprising first and second interfacing supports, said first support carrying a coating of photosensitive microcapsules, said microcapsules containing an internal phase which includes a photosensitive composition and a color precursor, and a developer material present on said first support carrying said layer of photosensitive microcapsules or on said second support wherein, upon image-wise exposing said layer of photosensitive microcapsules and rupturing said microcapsules, the color precursor is released from said microcapsules and reacts with said developer material to form a color image, wherein, said material includes a superabsorbent polymer or hydrogel in said internal phase.
Claim 13
Dependent Claim
16 words
The self-contained photosensitive material of claim 10 wherein said interfacing support are sealed at their perimeter.
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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) | 2003-03-14 | 2003-09-13 | 2004-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-03-14 | 2007-09-13 | 2008-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-03-14 | 2011-09-13 | 2012-03-14 | $7700.00 | Window Closed / Lapsed |