Patent EP0025969A1 successfully refreshed from Google Patents.
US7189676B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosslinked copolymer dye-receiving layer
Assignee: Kodak Alaris LLC
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Filing: 2004-04-21
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Granted: 2007-03-13
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Expires: 2024-04-21
Abstract
Abstract The invention relates to a dye image receiver sheet comprising a dye-receiving layer comprising a cross-linked copolymer of polyester and a lubricator polymer, wherein said polyester component of said cross-linked copolymer is present in an amount of between 75% and 99% by weight.
Inventors
- 👤 Robert P. Bourdelais
- 👤 Cheryl J. Brickey
- 👤 Timothy J. Giarrusso
- 👤 Carol Ann McCarthy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:43
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5263; B41M5/5272; B41M5/5281; B41M2205/00; B41M2205/02
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
44 words
A dye image receiver sheet comprising a substrate and a dye-receiving layer comprising a cross-linked copolymer of polyester and a lubricator polymer comprising polyurethane, wherein said polyester component of said cross-linked copolymer is present in an amount of between 75% and 99% by weight.
Claim 2
Dependent Claim
44 words
A dye image receiver sheet comprising a substrate and a dye-receiving layer comprising a cross-linked copolymer of polyester and a lubricator polymer comprising polyurethane, wherein said polyester component of said cross-linked copolymer is present in an amount of between 75% and 99% by weight.
Claim 3
Dependent Claim
24 words
The dye receiver sheet of claim 1 wherein said polyester comprises condensation polyesters based upon recurring units derived from alicyclic dibase acids and diols.
Claim 4
Dependent Claim
20 words
The dye receiver sheet of claim 1 wherein said polyester comprises greater than 90% by weight of said crosslinked copolymer.
Claim 5
Dependent Claim
19 words
The dye receiver sheet of claim 1 wherein said dye receiver sheet comprises a thermal transfer dye receiver sheet.
Claim 6
Dependent Claim
20 words
The dye receiver sheet of claim 1 wherein said dye receiver has a Tg of between 42 and 62° C.
Claim 7
Dependent Claim
18 words
The dye receiver sheet of claim 1 wherein said dye receiver has a Tg of about 52° C.
Claim 8
Dependent Claim
17 words
The dye receiver sheet of claim 1 wherein said crosslinked copolymer is formed from a water dispersion.
Claim 9
Dependent Claim
33 words
The dye receiver sheet of claim 1 wherein said crosslinked copolymer forms a surface layer of said dye receiver sheet that has a surface energy of between 40 and 48 dynes/cm 2 .
Claim 10
Dependent Claim
20 words
The dye receiver sheet of claim 1 wherein said crosslinked copolymer has a percentage of crosslinking between 50% and 85%.
Claim 11
Dependent Claim
31 words
The dye receiver sheet of claim 1 wherein said crosslinked polymer was crosslinked utilizing trimethylolpropane tris (2-methyl-1-aziridine propionate) in amount of between 0.20 and 0.85 weight % of the crosslinked polymer.
Claim 12
Dependent Claim
31 words
The dye receiver sheet of claim 1 wherein said crosslinked polymer forms a surface layer of said dye receiver sheet and has a scratch resistance of between 0.1 and 1.0 mN.
Claim 13
Dependent Claim
27 words
The dye receiver sheet of claim 1 wherein said sheet has an antistat present in the crosslinked polymer which forms the surface layer of said dye receiver.
Claim 14
Dependent Claim
14 words
The dye receiver sheet of claim 1 wherein said sheet comprises an oriented polymer.
Claim 15
Dependent Claim
20 words
The dye receiver sheet of claim 1 wherein said sheet comprises an adhesion promoting layer located adjacent said dye-receiving layer.
Claim 16
Dependent Claim
14 words
The dye receiver sheet of claim 1 wherein said sheet comprises a pressure-sensitive adhesive.
Claim 17
Dependent Claim
19 words
The dye receiver sheet of claim 1 wherein said sheet comprises an oriented polymer adhesively adhered to cellulose paper.
Claim 18
Dependent Claim
16 words
The dye receiver sheet of claim 1 wherein said dye receiver layer further comprises a plasticizer.
Claim 19
Dependent Claim
19 words
The dye receiver sheet of claim 1 wherein said dye receiver layer is substantially free of waxes and fluoropolymers.
Claim 20
Dependent Claim
34 words
The dye receiver sheet of claim 1 wherein said dye receiver layer is capable of forming a thermal image that has a maximum cyan, magenta, and yellow formed black density of greater than 1.5.
Claim 21
Dependent Claim
20 words
The dye receiver layer of claim 1 wherein said dye receiver layer has a roughness average less than 3.0 micrometers.
Claim 22
Independent Claim
84 words
The method of forming a dye receiver sheet comprising providing an aqueous dispersion of a copolymer of polyester and a lubricator polymer comprising polyurethane, bringing said aqueous dispersion into contact with a gravure coating roll, coating said aqueous dispersion onto a substrate, drying said aqueous dispersion to form a dye receiver layer, comprising a cross-linked copolymer of polyester and a lubricator polymer comprising polyurethane, wherein said polyester component of said cross-linked copolymer is present in an amount of between 75% and 99% by weight.
Claim 23
Independent Claim
84 words
The method of forming a dye receiver sheet comprising providing an aqueous dispersion of a copolymer of polyester and a lubricator polymer comprising polyurethane, bringing said aqueous dispersion into contact with a gravure coating roll, coating said aqueous dispersion onto a substrate, drying said aqueous dispersion to form a dye receiver layer, comprising a cross-linked copolymer of polyester and a lubricator polymer comprising polyurethane, wherein said polyester component of said cross-linked copolymer is present in an amount of between 75% and 99% by weight.
Claim 24
Dependent Claim
19 words
The method of claim 21 wherein said aqueous dispersion of copolymer has between 10 and 30% solids by weight.
Claim 25
Dependent Claim
18 words
The method of claim 21 wherein said aqueous dispersion is heated during drying to form a cross-linked polymer.
Claim 26
Dependent Claim
25 words
The method of claim 21 wherein said dye receiver is wound after drying to less than 1% water by weight in said dry receiver layer.
Claim 27
Dependent Claim
12 words
The method of claim 21 wherein said aqueous dispersion further comprises alcohol.
Claim 28
Dependent Claim
18 words
The method of claim 21 wherein said dye receiver has a Tg of between 42 and 62° C.
Claim 29
Dependent Claim
17 words
The method of claim 21 wherein said dye receiver layer comprises a copolymer of polyester and polyurethane.
Claim 30
Dependent Claim
36 words
The method of claim 21 further comprising a crosslinked dye receiver layer wherein dye receiver layer was crosslinked utilizing trimethylolpropane tris (2-methyl-1-aziridine propionate) in amount of between 0.20 and 0.85 weight % of the crosslinked polymer.
Claim 31
Dependent Claim
12 words
The method of claim 21 wherein said sheet comprises a pressure-sensitive adhesive.
Claim 32
Dependent Claim
14 words
The method of claim 21 wherein said dye receiver layer further comprises a plasticizer.
Claim 33
Dependent Claim
74 words
An imaged dye receiver sheet comprising a substrate and a dye image receiver sheet comprising a dye-receiving layer comprising a crosslinked copolymer of polyester and a lubricator polymer comprising polyurethane, wherein said polyester component of said crosslinked co polymer is present in an amount of between 75% and 99% by weight having a thermal image thereon, wherein said thermal image has a maximum cyan, magenta, and yellow formed black density of greater than 1.5.
Claim 34
Dependent Claim
74 words
An imaged dye receiver sheet comprising a substrate and a dye image receiver sheet comprising a dye-receiving layer comprising a crosslinked copolymer of polyester and a lubricator polymer comprising polyurethane, wherein said polyester component of said crosslinked co polymer is present in an amount of between 75% and 99% by weight having a thermal image thereon, wherein said thermal image has a maximum cyan, magenta, and yellow formed black density of greater than 1.5.
Claim 35
Dependent Claim
21 words
The imaged dye receiver sheet of claim 31 wherein said dye receiver has a Tg between 42 and 62 degrees C.
Claim 36
Dependent Claim
18 words
The imaged dye receiver sheet of claim 31 wherein said crosslinked copolymer is formed from a water dispersion.
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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) | 2010-03-12 | 2010-09-11 | 2011-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2014-03-12 | 2014-09-11 | 2015-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2018-03-12 | 2018-09-11 | 2019-03-13 | $7700.00 | Window Closed / Lapsed |