US4727057A
Expired / Lapsed
US
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Polyester subbing layer for slipping layer of dye-donor element used in thermal dye transfer
Assignee: Eastman Kodak Co
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Filing: 1987-04-08
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Granted: 1988-02-23
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Expires: 2007-04-08
Abstract
Abstract A dye-donor element for thermal dye transfer comprising a poly(ethylene terephthalate) support having on one side thereof a dye layer and on the other side a subbing layer and a slipping layer, the subbing layer comprising a random, linear copolyester derived from at least one aromatic dibasic acid and at least one aliphatic diol.
Inventors
- 👤 Daniel J. Harrison
- 👤 Hsin-Chia Kan
- 👤 Noel R. Vanier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:12
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/42; B41M5/44; B41M5/423; B41M5/443; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
59 words
In a dye-donor element for thermal dye transfer comprising a poly(ethylene terephthalate) support having on one side thereof a dye layer and on the other side thereof a subbing layer and a slipping layer, the improvement wherein said subbing layer comprises a random, linear copolyester derived from at least one aromatic dibasic acid and at least one aliphatic diol.
Claim 2
Dependent Claim
59 words
In a dye-donor element for thermal dye transfer comprising a poly(ethylene terephthalate) support having on one side thereof a dye layer and on the other side thereof a subbing layer and a slipping layer, the improvement wherein said subbing layer comprises a random, linear copolyester derived from at least one aromatic dibasic acid and at least one aliphatic diol.
Claim 3
Dependent Claim
24 words
The element of claim 1 wherein said dibasic acid is terephthalic acid, isophthalic acid, azelaic acid, p-phenylene bis-β-acrylic acid, sebacic acid or 3,5-dicarboxy-1-benzenesulfonic acid.
Claim 4
Dependent Claim
17 words
The element of claim 1 wherein said diol is 2,2-dimethyl-1,3-propanediol; 2,2'-oxydiethanol; ethyleneglycol; 1,4-butanediol; 1,6-hexanediol; 1,4-cyclohexanedimethanol; or 1,4-di(β-hydroxyethoxy)cyclohexane.
Claim 5
Dependent Claim
21 words
The element of claim 1 wherein said subbing layer comprises a random, linear copolyester derived from ethyleneglycol; 2,2-dimethyl-1,3-propanediol and terephthalic acid.
Claim 6
Dependent Claim
24 words
The element of claim 1 wherein said subbing layer comprises a random, linear copolyester derived from 1,4-butanediol; isophthalic acid; terephthalic acid and sebacic acid.
Claim 7
Dependent Claim
43 words
The element of claim 1 wherein said slipping layer comprises a lubricating material dispersed in a polymeric binder and said lubricating material comprises a partially esterified phosphate ester and a silicone polymer comprising units of a linear or branched alkyl or aryl siloxane.
Claim 8
Dependent Claim
13 words
The element of claim 6 wherein said polymeric binder is a styrene-acrylonitrile copolymer.
Claim 9
Dependent Claim
19 words
The element of claim 1 wherein said dye layer comprises sequential repeating areas of cyan, magenta and yellow dye.
Claim 10
Dependent Claim
82 words
In a process of forming a dye transfer image comprising (a) imagewise-heating a dye-donor element comprising a poly(ethylene terephthalate) support having on one side thereof a dye layer and on the other side thereof a subbing layer and a slipping layer, and (b) transferring a dye image to a dye-receiving element to form said dye transfer image, the improvement wherein said subbing layer comprises a random, linear copolyester derived from at least one aromatic dibasic acid and at least one aliphatic diol.
Claim 11
Dependent Claim
82 words
In a process of forming a dye transfer image comprising (a) imagewise-heating a dye-donor element comprising a poly(ethylene terephthalate) support having on one side thereof a dye layer and on the other side thereof a subbing layer and a slipping layer, and (b) transferring a dye image to a dye-receiving element to form said dye transfer image, the improvement wherein said subbing layer comprises a random, linear copolyester derived from at least one aromatic dibasic acid and at least one aliphatic diol.
Claim 12
Dependent Claim
24 words
The process of claim 9 wherein said dibasic acid is terephthalic acid, isophthalic acid, azelaic acid, p-phenylene bis-β-acrylic acid, sebacic acid or 3,5-dicarboxy-1-benzenesulfonic acid.
Claim 13
Dependent Claim
17 words
The process of claim 9 wherein said diol is 2,2-dimethyl-1,3-propanediol; 2,2'-oxydiethanol; ethyleneglycol; 1,4-butanediol; 1,6-hexanediaol; 1,4-cyclohexanedimethanol; or 1,4-di(β-hydroxyethoxy)cyclohexane.
Claim 14
Dependent Claim
37 words
The process of claim 9 wherein said support is coated with sequential repeating areas of cyan, magenta and yellow dye, and said process steps are sequentially performed for each color to obtain a three-color dye transfer image.
Claim 15
Dependent Claim
101 words
In a thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a poly(ethylene terephthalate) support having on one side thereof a dye layer and on the other side thereof a subbing layer and a slipping layer, and (b) a dye-receiving element comprising a support having thereon a dye image-receiving layer, said dye-receiving element being in a superposed relationship with said dye-donor element so that said dye layer is in contact with said dye image-receiving layer, the improvement wherein said subbing layer comprises a random, linear copolyester derived from at least one aromatic dibasic acid and at least one aliphatic diol.
Claim 16
Dependent Claim
101 words
In a thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a poly(ethylene terephthalate) support having on one side thereof a dye layer and on the other side thereof a subbing layer and a slipping layer, and (b) a dye-receiving element comprising a support having thereon a dye image-receiving layer, said dye-receiving element being in a superposed relationship with said dye-donor element so that said dye layer is in contact with said dye image-receiving layer, the improvement wherein said subbing layer comprises a random, linear copolyester derived from at least one aromatic dibasic acid and at least one aliphatic diol.
Claim 17
Dependent Claim
24 words
The assemblage of claim 13 wherein said dibasic acid is terephthalic acid, isophthalic acid, azelaic acid, p-phenylene bis-β-acrylic acid, sebacic acid or 3,5-dicarboxy-1-benzenesulfonic acid.
Claim 18
Dependent Claim
17 words
The assemblage of claim 13 wherein said diol is 2,2-dimethyl-1,3-propanediol; 2,2'-oxydiethanol; ethyleneglycol; 1,4-butanediol; 1,6-hexanediol; 1,4-cyclohexanedimethanol; or 1,4-di(β-hydroxyethoxy)cyclohexane.
Claim 19
Dependent Claim
21 words
The assemblage of claim 13 wherein said subbing layer comprises a random, linear copolyester derived from ethyleneglycol; 2,2-dimethyl-1,3-propanediol and terephthalic acid.
Claim 20
Dependent Claim
24 words
The assemblage of claim 13 wherein said subbing layer comprises a random, linear copolyester derived from 1,4-butanediol; isophthalic acid; terephthalic acid and sebacic acid.
Claim 21
Dependent Claim
43 words
The assemblage of claim 13 wherein said slipping layer comprises a lubricating material dispersed in a polymeric binder and said lubricating material comprises a partially esterified phosphate ester and a silicone polymer comprising units of a linear or branched alkyl or aryl siloxane.
Claim 22
Dependent Claim
13 words
The assemblage of claim 18 wherein said polymeric binder is a styrene-acrylonitrile copolymer.
Claim 23
Dependent Claim
19 words
The assemblage of claim 13 wherein said dye layer comprises sequential repeating areas of cyan, magenta and yellow dye.
References Cited (Backward Citations)
No citation records indexed.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1991-02-22 | 1991-08-24 | 1992-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-22 | 1995-08-24 | 1996-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-22 | 1999-08-24 | 2000-02-23 | $7700.00 | Window Closed / Lapsed |