US4853366A
Expired / Lapsed
US
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Pyrazolidinedione arylidene dye-donor element for thermal dye transfer
Assignee: Eastman Kodak Co
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Filing: 1989-01-30
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Granted: 1989-08-01
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Expires: 2009-01-30
Abstract
Abstract A dye-donor element for thermal dye transfer comprises a support having thereon a dye dipersed in a polymeric binder, the dye having the formula: ##STR1## wherein R 1 and R 2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms; R 3 and R 4 each represents R 1 ; or either or both of R 3 and R 4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R 3 and R 4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; R 5 represents hydrogen; halogen; cyano; carbamoyl; alkoxycarbonyl; acyl; a substituted or unsubstituted alkyl or alkoxy group group having frm 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms; an aryl group having from about 6 to about 10 carbon atoms; or a dialkylamino grup; and Z represents hydrogen or the atoms necessary to complete a 5- or 6-membered ring.
Inventors
- 👤 Steven Evans
- 👤 Helmut Weber
- 👤 Donald R. Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:38
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/385; B41M5/3854; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
220 words
A dye-donor element for thermal dye transfer comprising a support having thereon a dye dispersed in a polymeric binder, said dye having the formula: ##STR19## wherein R 1 and R 2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms; R 3 and R 4 each represents R 1 ; or either or both of R 3 and R 4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R 3 and R 4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; R 5 represents hydrogen; halogen, cyano; carbamoyl; alkoxycarbonyl; acyl; a substituted or unsubstituted alkyl or alkoxy group group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms; an aryl group having from about 6 to about 10 carbon atoms; or a dialkylamino group; and Z represents hydrogen or the atoms necessary to complete a 5- or 6-membered ring.
Claim 2
Dependent Claim
220 words
A dye-donor element for thermal dye transfer comprising a support having thereon a dye dispersed in a polymeric binder, said dye having the formula: ##STR19## wherein R 1 and R 2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms; R 3 and R 4 each represents R 1 ; or either or both of R 3 and R 4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R 3 and R 4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; R 5 represents hydrogen; halogen, cyano; carbamoyl; alkoxycarbonyl; acyl; a substituted or unsubstituted alkyl or alkoxy group group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms; an aryl group having from about 6 to about 10 carbon atoms; or a dialkylamino group; and Z represents hydrogen or the atoms necessary to complete a 5- or 6-membered ring.
Claim 3
Dependent Claim
14 words
The element of claim 1 wherein both R 1 and R 2 are phenyl.
Claim 4
Dependent Claim
15 words
The element of claim 1 wherein R 1 is phenyl and R 2 is ethyl.
Claim 5
Dependent Claim
29 words
The element of claim 1 wherein each R 3 and R 4 is (C 2 H 5 )(CH 3 )CHOCOCH 2 or (CH 3 ) 2 CHOCOCH 2 .
Claim 6
Dependent Claim
12 words
The element of claim 1 wherein R 5 is hydrogen or cyano.
Claim 7
Dependent Claim
30 words
The element of claim 1 wherein R 3 is ethyl or butyl and R 4 is ethyl, butyl or C 2 H 5 O 2 CCH 2 CH 2 .
Claim 8
Dependent Claim
42 words
The element of claim 1 wherein R 3 is CH 2 CH 2 Cl and R 4 is joined together to the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 6-membered ring.
Claim 9
Dependent Claim
12 words
The element of claim 1 wherein the dye is of yellow hue.
Claim 10
Dependent Claim
35 words
The element of claim 1 wherein said support comprises poly(ethylene terephthalate) and the side of the support opposite the side having thereon said dye layer is coated with a slipping layer comprising a lubricating material.
Claim 11
Dependent Claim
24 words
The element of claim 1 wherein said dye layer comprises sequential repeating areas of magenta, cyan and said dye which is of yellow hue.
Claim 12
Dependent Claim
249 words
In a process of forming a dye transfer image comprising imagewise-heating a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder and transferring a dye image to a dye-receiving element to form said dye transfer image, the improvement wherein said dye has the formula: ##STR20## wherein R 1 and R 2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms; R 3 and R 4 each represents R 1 ; or either or both of R 3 and R 4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R 3 and R 4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; R 5 represents hydrogen; halogen; cyano; carbamoyl; alkoxycarbonyl; acyl; a substituted or unsubstituted alkyl or alkoxy group group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms; an aryl group having from about 6 to about 10 carbon atoms; or a dialkylamino group; and Z represents hydrogen or the atoms necessary to complete a 5- or 6-membered ring.
Claim 13
Dependent Claim
249 words
In a process of forming a dye transfer image comprising imagewise-heating a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder and transferring a dye image to a dye-receiving element to form said dye transfer image, the improvement wherein said dye has the formula: ##STR20## wherein R 1 and R 2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms; R 3 and R 4 each represents R 1 ; or either or both of R 3 and R 4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R 3 and R 4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; R 5 represents hydrogen; halogen; cyano; carbamoyl; alkoxycarbonyl; acyl; a substituted or unsubstituted alkyl or alkoxy group group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms; an aryl group having from about 6 to about 10 carbon atoms; or a dialkylamino group; and Z represents hydrogen or the atoms necessary to complete a 5- or 6-membered ring.
Claim 14
Dependent Claim
46 words
The process of claim 11 wherein said support is poly(ethylene terephthalate) which is coated with sequential repeating areas of magenta, cyan and said dye which is of yellow hue, and said process steps are sequentially performed for each color to obtain a three-color dye transfer image.
Claim 15
Dependent Claim
270 words
In a thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, 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 dye has the formula: ##STR21## wherein R 1 and R 2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms; R 3 and R 4 each represents R 1 ; or either or both of R 3 and R 4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R 3 and R 4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; R 5 represents hydrogen; halogen; cyano; carbomoyl; alkoxycarbonyl; acyl; a substituted or unsubstituted alkyl or alkoxy group group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms; an aryl group having from about 6 to about 10 carbon atoms; or a dialkylamino group; and Z represents hydrogen or the atoms necessary to complete a 5- or 6-membered ring.
Claim 16
Dependent Claim
270 words
In a thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, 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 dye has the formula: ##STR21## wherein R 1 and R 2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms; R 3 and R 4 each represents R 1 ; or either or both of R 3 and R 4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R 3 and R 4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; R 5 represents hydrogen; halogen; cyano; carbomoyl; alkoxycarbonyl; acyl; a substituted or unsubstituted alkyl or alkoxy group group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms; an aryl group having from about 6 to about 10 carbon atoms; or a dialkylamino group; and Z represents hydrogen or the atoms necessary to complete a 5- or 6-membered ring.
Claim 17
Dependent Claim
14 words
The assemblage of claim 13 wherein both R 1 and R 2 are phenyl.
Claim 18
Dependent Claim
15 words
The assemblage of claim 13 wherein R 1 is phenyl and R 2 is ethyl.
Claim 19
Dependent Claim
29 words
The assemblage of claim 13 wherein each R 3 and R 4 is (C 2 H 5 )(CH 3 )CHOCOCH 2 or (CH 3 ) 2 CHOCOCH 2 .
Claim 20
Dependent Claim
12 words
The assemblage of claim 13 wherein R 5 is hydrogen or cyano.
Claim 21
Dependent Claim
30 words
The assemblage of claim 13 wherein R 3 is ethyl or butyl and R 4 is ethyl, butyl or C 2 H 5 O 2 CCH 2 CH 2 .
Claim 22
Dependent Claim
42 words
The assemblage of claim 13 wherein R 3 is CH 2 CH 2 Cl and R 4 is joined together to the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 6-membered ring.
Claim 23
Dependent Claim
12 words
The assemblage of claim 13 wherein said dye is of yellow hue.
References Cited (Backward Citations)
BE626369A
Cited
JPS6028451A
Cited
JPS6028453A
Cited
JPS6053564A
Cited
GB2159971A
Cited
US4701439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-31 | 1993-01-30 | 1993-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-31 | 1997-01-30 | 1997-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-31 | 2001-01-30 | 2001-08-01 | $7700.00 | Window Closed / Lapsed |