Patent US5332713A successfully refreshed from Google Patents.
US5332713A
Expired / Lapsed
US
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Thermal dye transfer dye-donor element containing transferable protection overcoat
Assignee: Kodak Alaris LLC
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Filing: 1993-12-07
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Granted: 1994-07-26
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Expires: 2013-12-07
Abstract
Abstract A dye-donor element for thermal dye transfer comprising a support having thereon at least one dye layer area comprising an image dye in a binder and another area comprising a transferable protection layer, the transferable protection layer area being approximately equal in size to the dye layer area, wherein the transferable protection layer comprises poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl.
Inventors
- 👤 Mary Catherine S. Oldfield
- 👤 Kin K. Lum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:41
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38207; B41M5/38264; B41M7/00; B41M7/0027; B41M5/40; B41M5/42; B41M5/44; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
69 words
A dye-donor element for thermal dye transfer comprising a support having thereon at least one dye layer area comprising an image dye in a binder and another area comprising a transferable protection layer, said transferable protection layer area being approximately equal in size to said dye layer area, wherein said transferable protection layer comprises poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl.
Claim 2
Dependent Claim
69 words
A dye-donor element for thermal dye transfer comprising a support having thereon at least one dye layer area comprising an image dye in a binder and another area comprising a transferable protection layer, said transferable protection layer area being approximately equal in size to said dye layer area, wherein said transferable protection layer comprises poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl.
Claim 3
Dependent Claim
13 words
The element of claim 1 wherein said transferable protection layer comprises poly(vinyl acetal).
Claim 4
Dependent Claim
61 words
The element of claim 1 wherein said transferable protection layer comprises: ##STR7## wherein: R is H, CH 3 or C 6 H 5 ; A is at least about 25 mole percent; B is from about 5 to about 75 mole percent; Z is another monomer different from A and B; A+B is at least about 65 mole percent; and A+B+C=100.
Claim 5
Dependent Claim
9 words
The element of claim 3 wherein A+B=100 mole percent.
Claim 6
Dependent Claim
10 words
The element of claim 3 wherein C is vinyl acetate.
Claim 7
Dependent Claim
36 words
The element of claim 1 wherein said dye-donor element is a multicolor element comprising repeating color patches of yellow, magenta and cyan image dyes, respectively, dispersed in a binder, and a patch containing said protection layer.
Claim 8
Dependent Claim
102 words
A process of forming a protection layer on top of a thermal dye transfer image comprising: (a) imagewise-heating a dye-donor element comprising a support having thereon a dye layer comprising an image dye in a binder, said dye-donor being in contact with a dye-receiving element, thereby transferring a dye image to said dye-receiving element to form said dye transfer image; and (b) thermally transferring a protection layer on top of said transferred dye image, said protection layer being applied from an element which contains a layer comprising poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl.
Claim 9
Dependent Claim
102 words
A process of forming a protection layer on top of a thermal dye transfer image comprising: (a) imagewise-heating a dye-donor element comprising a support having thereon a dye layer comprising an image dye in a binder, said dye-donor being in contact with a dye-receiving element, thereby transferring a dye image to said dye-receiving element to form said dye transfer image; and (b) thermally transferring a protection layer on top of said transferred dye image, said protection layer being applied from an element which contains a layer comprising poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl.
Claim 10
Dependent Claim
19 words
The process of claim 7 wherein said protection layer is present on a separate area of said dye-donor element.
Claim 11
Dependent Claim
16 words
The process of claim 7 wherein said protection layer is present on a separate donor element.
Claim 12
Dependent Claim
13 words
The process of claim 7 wherein said transferable protection layer comprises poly(vinyl acetal).
Claim 13
Dependent Claim
61 words
The process of claim 7 wherein said transferable protection layer comprises: ##STR8## wherein: R is H, CH 3 or C 6 H 5 ; A is at least about 25 mole percent; B is from about 5 to about 75 mole percent; Z is another monomer different from A and B; A+B is at least about 65 mole percent; and A+B+C=100.
Claim 14
Dependent Claim
9 words
The process of claim 11 wherein A+B=100 mole percent.
Claim 15
Dependent Claim
10 words
The process of claim 11 wherein C is vinyl acetate.
Claim 16
Dependent Claim
36 words
The process of claim 7 wherein said dye-donor element is a multicolor element comprising repeating color patches of yellow, magenta and cyan image dyes, respectively, dispersed in a binder, and a patch containing said protection layer.
Claim 17
Dependent Claim
116 words
A thermal dye transfer assemblage comprising (a) a dye-donor element for thermal dye transfer comprising a support having thereon at least one dye layer area comprising an image dye in a binder and another area comprising a transferable protection layer, said transferable protection layer area being approximately equal in size to said dye layer area, wherein said transferable protection layer comprises poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl; 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.
Claim 18
Dependent Claim
116 words
A thermal dye transfer assemblage comprising (a) a dye-donor element for thermal dye transfer comprising a support having thereon at least one dye layer area comprising an image dye in a binder and another area comprising a transferable protection layer, said transferable protection layer area being approximately equal in size to said dye layer area, wherein said transferable protection layer comprises poly(vinyl formal), poly(vinyl benzal) or poly(vinyl acetal) containing at least about 5 mole % hydroxyl; 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.
Claim 19
Dependent Claim
13 words
The assemblage of claim 15 wherein said transferable protection layer comprises poly(vinyl acetal).
Claim 20
Dependent Claim
61 words
The assemblage of claim 15 wherein said transferable protection layer comprises: ##STR9## wherein: R is H, CH 3 or C 6 H 5 ; A is at least about 25 mole percent; B is from about 5 to about 75 mole percent; Z is another monomer different from A and B; A+B is at least about 65 mole percent; and A+B+C=100.
Claim 21
Dependent Claim
9 words
The assemblage of claim 17 wherein A+B=100 mole percent.
Claim 22
Dependent Claim
10 words
The assemblage of claim 17 wherein C is vinyl acetate.
Claim 23
Dependent Claim
36 words
The assemblage of claim 15 wherein said dye-donor element is a multicolor element comprising repeating color patches of yellow, magenta and cyan image dyes, respectively, dispersed in a binder, and a patch containing said protection layer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-25 | 1998-01-24 | 1998-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-25 | 2002-01-24 | 2002-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-25 | 2006-01-24 | 2006-07-26 | $7700.00 | Window Closed / Lapsed |