US6045965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic member with peelable and repositioning adhesive layer
Assignee: Eastman Kodak Co
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Filing: 1998-11-20
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Granted: 2000-04-04
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Expires: 2018-11-20
Abstract
Abstract The invention relates to a photographic element comprising at least one silver halide imaging layer, at least one biaxially oriented polyolefin sheet, and at least one layer comprising a peelable adhesive wherein said peelable adhesive will allow peelable separation of said photographic element at said adhesive layer and the repositioning of at least one of the separated parts of said photographic element by use of said at least one layer comprising a peelable adhesive.
Inventors
- 👤 Robert F. Cournoyer
- 👤 Robert P. Bourdelais
- 👤 Peter T. Aylward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/805; G03C1/775; G03C1/79; G03C11/00; G03C11/12
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
70 words
A photographic element comprising at least one silver halide imaging layer, at least one biaxially oriented polyolefin sheet, and at least one layer comprising a peelable adhesive wherein said peelable adhesive will allow peelable separation of said photographic element at said adhesive layer and the repositioning of at least one of the separated parts of said photographic element by use of said at least one layer comprising a peelable adhesive.
Claim 2
Dependent Claim
70 words
A photographic element comprising at least one silver halide imaging layer, at least one biaxially oriented polyolefin sheet, and at least one layer comprising a peelable adhesive wherein said peelable adhesive will allow peelable separation of said photographic element at said adhesive layer and the repositioning of at least one of the separated parts of said photographic element by use of said at least one layer comprising a peelable adhesive.
Claim 3
Dependent Claim
29 words
The photographic element of claim 1 further comprising a substrate and wherein said substrate has a biaxially oriented polyolefin sheet on both the top and bottom of said substrate.
Claim 4
Dependent Claim
23 words
The photographic element of claim 2 wherein said peelable adhesive layer is located between the top biaxially oriented polyolefin sheet and said substrate.
Claim 5
Dependent Claim
23 words
The photographic element of claim 2 wherein said peelable adhesive layer is located between the bottom biaxially oriented polyolefin sheet and said substrate.
Claim 6
Dependent Claim
26 words
The photographic element of claim 2 wherein a peelable adhesive layer is located between both the top and bottom biaxially oriented polyolefin sheets and said substrate.
Claim 7
Dependent Claim
17 words
The photographic element of claim 1 wherein said peelable adhesive layer comprises a single layer of adhesive.
Claim 8
Dependent Claim
34 words
The photographic element of claim 1 wherein said adhesive layer comprises at least two adhesive layers, wherein at least one of said layers comprises peelable adhesive that preferentially adheres to biaxially oriented polyolefin sheet.
Claim 9
Dependent Claim
32 words
The photographic element of claim 2 wherein said at least one peelable adhesive layer comprises at least two adhesive layers, wherein at least one of said layers preferentially adheres to said substrate.
Claim 10
Dependent Claim
58 words
The photographic element of claim 5 wherein said peelable adhesive layer comprises at least two peelable adhesive layers, wherein at least one of said layers on the top of said substrate preferentially adheres to biaxially oriented polyolefin sheet and wherein at least one of said adhesive layers on the bottom of said substrate preferentially adheres to said substrate.
Claim 11
Dependent Claim
22 words
The photographic element of claim 1 wherein said peelable adhesive for repositioning has a peel strength of no greater than 100 grams/cm.
Claim 12
Dependent Claim
69 words
The photographic element of claim 1 wherein said peelable adhesive composition is selected from the group consisting of natural rubber, syntheic rubber, acrylics, acrylic copolymers, vinyl polmers, vinyl acetate-, urethane, acrylate- type materials, copolymer mixtures of vinyl chloride-vinyl acetate, polyvinylidene, vinyl acetate-acrylic acid copolymers, stryene butadiene, carboxylated stryrene butadiene copolymers, ethylene copolymers, polyvinyl alchohol, polyesters and copolymers, cellulosic and modified cellulosic, strach and modified starches compounds, epoxies, polyisocyanate, polyimides.
Claim 13
Dependent Claim
16 words
The element of claim 11 wherein said peelable adhesive is a water based pressure sensitivity adhesive.
Claim 14
Dependent Claim
25 words
The element of claim 12 wherein the pressure sensitive adhesive is a repositionable adhesive layer containing non-adhesive solid particles randomly distributed in said adhesive layer.
Claim 15
Dependent Claim
63 words
The element of claim 12 wherein the pressure sensitive adhesive is a repositionable adhesive layer containing at about 5 to 20% by weight of a permanent adhesive such as isooctyl acrylate/acrylic acid copolymer and at about 95 to 80% by weight of a tacky elastomeric material such as acrylate microspheres with the adhesive layer coverage at about 5 to 20 g/m 2 .
Claim 16
Dependent Claim
19 words
The photographic element of claim 10 wherein said peelable adhesive has a peel strength between 20 and 100 grams/cm.
Claim 17
Dependent Claim
16 words
The photographic element of claim 1 wherein the adhesive is not deteriorated by photographic processing chemicals.
Claim 18
Dependent Claim
18 words
The photographic element of claim 2 wherein said substrate further comprises a release layer for said peelable adhesive.
Claim 19
Dependent Claim
68 words
A imaging element comprising a ink or dye receiving layer, at least one biaxially oriented polyolefin sheet, and at least one layer comprising peelable adhesive wherein said peelable adhesive will allow peelable separation of said imaging element at said adhesive layer and the repositioning of at least one of the separated parts of said imaging element by use of said at least one layer comprising a peelable adhesive.
Claim 20
Dependent Claim
68 words
A imaging element comprising a ink or dye receiving layer, at least one biaxially oriented polyolefin sheet, and at least one layer comprising peelable adhesive wherein said peelable adhesive will allow peelable separation of said imaging element at said adhesive layer and the repositioning of at least one of the separated parts of said imaging element by use of said at least one layer comprising a peelable adhesive.
Claim 21
Dependent Claim
29 words
The imaging element of claim 18 further comprising a substrate and wherein said substrate has a biaxially oriented polyolefin sheet on both the top and bottom of said substrate.
Claim 22
Dependent Claim
23 words
The imaging element of claim 19 wherein said peelable adhesive layer is located between the top biaxially oriented polyolefin sheet and said substrate.
Claim 23
Dependent Claim
23 words
The imaging element of claim 19 wherein said peelable adhesive layer is located between the bottom biaxially oriented polyolefin sheet and said substrate.
Claim 24
Dependent Claim
26 words
The imaging element of claim 19 wherein a peelable adhesive layer is located between both the top and bottom biaxially oriented polyolefin sheets and said substrate.
Claim 25
Dependent Claim
17 words
The imaging element of claim 18 wherein said peelable adhesive layer comprises a single layer of adhesive.
Claim 26
Dependent Claim
34 words
The imaging element of claim 18 wherein said adhesive layer comprises at least two adhesive layers, wherein at least one of said layers comprises peelable adhesive that preferentially adheres to biaxially oriented plyolefin sheet.
Claim 27
Dependent Claim
32 words
The imaging element of claim 19 wherein said at least one peelable adhesive layer comprises at least two adhesive layers, wherein at least one of said layers preferentially adheres to said substrate.
Claim 28
Dependent Claim
22 words
The imaging element of claim 18 wherein said peelable adhesive for repositioning has a peel strength of no greater than 100 grams/cm.
Claim 29
Dependent Claim
19 words
The imaging element of claim 26 wherein said peelable adhesive has a peel strength between 20 and 100 grams/cm.
Claim 30
Dependent Claim
18 words
The imaging element of claim 19 wherein said substrate further comprises a release layer for said peelable adhesive.
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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) | 2003-04-04 | 2003-10-04 | 2004-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-04-04 | 2007-10-04 | 2008-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-04-04 | 2011-10-04 | 2012-04-04 | $7700.00 | Window Closed / Lapsed |