Yellow dye mixture for thermal color proofing

Claim 2

A yellow dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least one of said yellow dyes having the formula: ##STR14## wherein: R 1 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted cycloalkyl group of from about 5 to about 7 carbon atoms; an allyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted hetaryl group of from about 5 to about 10 atoms; R 2 is any of the groups for R 1 or represents the atoms which when taken together with Z form a 5- or 6-membered ring; Z is hydrogen; any of the groups for R 1 ; alkoxy; halogen; aryloxy; or represents the atoms which when taken together with R 2 forms a 5- or 6-membered ring; each Y independently represents any of the groups for R 1 ; alkoxy of from 1 to about 10 carbon atoms; halogen; or two adjacent Y's together represent the atoms necessary to complete a 5- or 6-membered ring, thus forming a fused ring system; and n is a positive integer from 1 to 3; and at least one of the other of the dyes having the formula: ##STR15## wherein: R 3 represents the same groups as R 1 above; R 4 and R 5 each independently represents hydrogen, R 3 ; cyano; acyloxy; alkoxy of 1 to about 6 carbon atoms; halogen; or alkoxycarbonyl; or any two of R 3 , R 4 and R 5 together represent the atoms necessary to complete a 5- to 7-membered ring; R 6 represents the same groups as R 3 ; G represents a substituted or unsubstituted alkyl, cycloalkyl or allyl group as described above for R 3 , NR 7 R 8 or OR 9 ; R 7 and R 8 each independently represents hydrogen, acyl or R 3 , with the proviso that R 7 and R 8 cannot both be hydrogen at the same time; or R 7 and R 8 together represent the atoms necessary to complete a 5- to 7-membered ring; R 9 represents the same groups as R 3 ; X represents C(R 10 )(R 11 ), S, 0 or NR 10 ; R 10 and R 11 each independently represents the same groups as R 3 ; or R 10 and R 11 together represent the atoms necessary to complete a 5- to 7-membered ring; and J represents the atoms necessary to complete a 5- or 6-membered ring which may be fused to another ring system.

Claim 3

The element of claim 1 wherein R 2 represents the atoms which are taken together with Z to form a 6-membered ring.

Claim 4

The element of claim 1 wherein R 1 is C 2 H 4 OCONHC 6 H 5 or or C 2 H 5 .

Claim 5

The element of claim 1 wherein J in the above structural formula II represents atoms to complete an indolylidene ring.

Claim 6

The element of claim 1 wherein G is N(CH 3 ) 2 or CH 3 .

Claim 7

The element of claim 1 wherein R 3 is C 2 H 5 or CH 3 and R 6 is C 6 H 5 .

Claim 8

The element of claim 1 wherein R 4 and R 5 are each hydrogen.

Claim 9

The element of claim 1 wherein said dyedonor element contains an infrared-absorbing dye in said dye layer.

Claim 10

The element of claim 1 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 4 OCONHC 6 H 5 , J represents atoms to form an indolylidene ring, G is N(CH 3 ) 2 , R 3 is C 2 H 5 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 11

The element of claim 1 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 4 OCONHC 6 H 5 , J represents atoms to form an indolylidene ring, G is CH 3 , R 3 is CH 3 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 12

The element of claim 1 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 5 , J represents atoms to form an indolylidene ring, G is N(CH 3 ) 2 , R 3 is C 2 H 5 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 13

The element of claim 1 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 5 , J represents atoms to form an indolylidene ring, G is CH 3 , R 3 is CH 3 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 14

In a process of forming a dye transfer image comprising imagewise-heating a yellow dye-donor element comprising a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder and transferring a yellow dye image to a dye-receiving element to form said yellow dye transfer image, the improvement wherein at least one of said yellow dyes has the formula: ##STR16## wherein: R 1 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted cycloalkyl group of from about 5 to about 7 carbon atoms; an allyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted hetaryl group of from about 5 to about 10 atoms; R 2 is any of the groups for R 1 or represents the atoms which when taken together with Z form a 5- or 6-membered ring; Z is hydrogen; any of the groups for R 1 ; alkoxy; halogen; aryloxy; or represents the atoms which when taken together with R 2 forms a 5- or 6-membered ring; each Y independently represents any of the groups for R 1 ; alkoxy of from 1 to about 10 carbon atoms; halogen; or two adjacent Y's together represent the atoms necessary to complete a 5- or 6-membered ring, thus forming a fused ring system; and n is a positive integer from 1 to 3; and at least one of the other of the dyes having the formula: ##STR17## wherein: R 3 represents the same groups as R 1 above; R 4 and R 5 each independently represents hydrogen, R 3 ; cyano; acyloxy; alkoxy of 1 to about 6 carbon atoms; halogen; or alkoxycarbonyl; or any two of R 3 , R 4 and R 5 together represent the atoms necessary to complete a 5- to 7-membered ring; R 6 represents the same groups as R 3 ; G represents a substituted or unsubstituted alkyl, cycloalkyl or allyl group as described above for R 3 , NR 7 R 8 or OR 9 ; R 7 and R 8 each independently represents hydrogen, acyl or R 3 , with the proviso that R 7 and R 8 cannot both be hydrogen at the same time; or R 7 and R 8 together represent the atoms necessary to complete a 5- to 7membered ring; R 9 represents the same groups as R 3 ; X represents C(R 10 )(R 11 ), S, 0 or NR 10 ; R 10 and R 11 each independently represents the same groups as R 3 ; or R 10 and R 11 together represent the atoms necessary to complete a 5- to 7membered ring; and J represents the atoms necessary to complete a 5- or 6-membered ring which may be fused to another ring system.

Claim 15

In a process of forming a dye transfer image comprising imagewise-heating a yellow dye-donor element comprising a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder and transferring a yellow dye image to a dye-receiving element to form said yellow dye transfer image, the improvement wherein at least one of said yellow dyes has the formula: ##STR16## wherein: R 1 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted cycloalkyl group of from about 5 to about 7 carbon atoms; an allyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted hetaryl group of from about 5 to about 10 atoms; R 2 is any of the groups for R 1 or represents the atoms which when taken together with Z form a 5- or 6-membered ring; Z is hydrogen; any of the groups for R 1 ; alkoxy; halogen; aryloxy; or represents the atoms which when taken together with R 2 forms a 5- or 6-membered ring; each Y independently represents any of the groups for R 1 ; alkoxy of from 1 to about 10 carbon atoms; halogen; or two adjacent Y's together represent the atoms necessary to complete a 5- or 6-membered ring, thus forming a fused ring system; and n is a positive integer from 1 to 3; and at least one of the other of the dyes having the formula: ##STR17## wherein: R 3 represents the same groups as R 1 above; R 4 and R 5 each independently represents hydrogen, R 3 ; cyano; acyloxy; alkoxy of 1 to about 6 carbon atoms; halogen; or alkoxycarbonyl; or any two of R 3 , R 4 and R 5 together represent the atoms necessary to complete a 5- to 7-membered ring; R 6 represents the same groups as R 3 ; G represents a substituted or unsubstituted alkyl, cycloalkyl or allyl group as described above for R 3 , NR 7 R 8 or OR 9 ; R 7 and R 8 each independently represents hydrogen, acyl or R 3 , with the proviso that R 7 and R 8 cannot both be hydrogen at the same time; or R 7 and R 8 together represent the atoms necessary to complete a 5- to 7membered ring; R 9 represents the same groups as R 3 ; X represents C(R 10 )(R 11 ), S, 0 or NR 10 ; R 10 and R 11 each independently represents the same groups as R 3 ; or R 10 and R 11 together represent the atoms necessary to complete a 5- to 7membered ring; and J represents the atoms necessary to complete a 5- or 6-membered ring which may be fused to another ring system.

Claim 16

The process of claim 13 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 4 OCONHC 6 H 5 , J represents atoms to form an indolylidene ring, G is N(CH 3 ) 2 , R 3 is C 2 H 5 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 17

The process of claim 13 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 4 OCONHC 6 H 5 , J represents atoms to form an indolylidene ring, G is CH 3 , R 3 is CH 3 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 18

The process of claim 13 wherein Y methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 5 , J represents atoms to form an indolylidene ring, G is N(CH 3 ) 2 , R 3 is C 2 H 5 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 19

In a thermal dye transfer assemblage comprising: (a) a yellow dye-donor element comprising a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, (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 yellow dye-donor element so that said dye layer is in contact with said dye imagereceiving layer, the improvement wherein at least one of said yellow dyes has the formula: ##STR18## wherein: R 1 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted cycloalkyl group of from about 5 to about 7 carbon atoms; an allyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted hetaryl group of from about 5 to about 10 atoms; R 2 is any of the groups for R 1 or represents the atoms which when taken together with Z form a 5- or 6-membered ring; Z is hydrogen; any of the groups for R 1 ; alkoxy; halogen; aryloxy; or represents the atoms which when taken together with R 2 forms a 5- or 6-membered ring; each Y independently represents any of the groups for R 1 ; alkoxy of from 1 to about 10 carbon atoms; halogen; or two adjacent Y's together represent the atoms necessary to complete a 5- or 6-membered ring, thus forming a fused ring system; and n is a positive integer from 1 to 3; and at least one of the other of the dyes having the formula ##STR19## wherein: R 3 represents the same groups as R 1 above; R 4 and R 5 each independently represents hydrogen, R 3 ; cyano; acyloxy; alkoxy of 1 to about 6 carbon atoms; halogen; or alkoxycarbonyl; or any two of R 3 , R 4 and R 5 together represent the atoms necessary to complete a 5- to 7-membered ring; R 6 represents the same groups as R 3 ; G represents a substituted or unsubstituted alkyl, cycloalkyl or allyl group as described above for R 3 , NR 7 R 8 or OR 9 ; R 7 and R 8 each independently represents hydrogen, acyl or R 3 , with the proviso that R 7 and R 8 cannot both be hydrogen at the same time; or R 7 and R 8 together represent the atoms necessary to complete a 5- to 7-membered ring; R 9 represents the same groups as R 3 ; X represents C(R 10 )(R 11 ), S, 0 or NR 10 ; R 10 and R 11 each independently represents the same groups as R 3 ; or R 10 and R 11 together represent the atoms necessary to complete a 5- to 7membered ring; and J represents the atoms necessary to complete a 5- or 6-membered ring which may be fused to another ring system.

Claim 20

In a thermal dye transfer assemblage comprising: (a) a yellow dye-donor element comprising a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, (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 yellow dye-donor element so that said dye layer is in contact with said dye imagereceiving layer, the improvement wherein at least one of said yellow dyes has the formula: ##STR18## wherein: R 1 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted cycloalkyl group of from about 5 to about 7 carbon atoms; an allyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted hetaryl group of from about 5 to about 10 atoms; R 2 is any of the groups for R 1 or represents the atoms which when taken together with Z form a 5- or 6-membered ring; Z is hydrogen; any of the groups for R 1 ; alkoxy; halogen; aryloxy; or represents the atoms which when taken together with R 2 forms a 5- or 6-membered ring; each Y independently represents any of the groups for R 1 ; alkoxy of from 1 to about 10 carbon atoms; halogen; or two adjacent Y's together represent the atoms necessary to complete a 5- or 6-membered ring, thus forming a fused ring system; and n is a positive integer from 1 to 3; and at least one of the other of the dyes having the formula ##STR19## wherein: R 3 represents the same groups as R 1 above; R 4 and R 5 each independently represents hydrogen, R 3 ; cyano; acyloxy; alkoxy of 1 to about 6 carbon atoms; halogen; or alkoxycarbonyl; or any two of R 3 , R 4 and R 5 together represent the atoms necessary to complete a 5- to 7-membered ring; R 6 represents the same groups as R 3 ; G represents a substituted or unsubstituted alkyl, cycloalkyl or allyl group as described above for R 3 , NR 7 R 8 or OR 9 ; R 7 and R 8 each independently represents hydrogen, acyl or R 3 , with the proviso that R 7 and R 8 cannot both be hydrogen at the same time; or R 7 and R 8 together represent the atoms necessary to complete a 5- to 7-membered ring; R 9 represents the same groups as R 3 ; X represents C(R 10 )(R 11 ), S, 0 or NR 10 ; R 10 and R 11 each independently represents the same groups as R 3 ; or R 10 and R 11 together represent the atoms necessary to complete a 5- to 7membered ring; and J represents the atoms necessary to complete a 5- or 6-membered ring which may be fused to another ring system.

Claim 21

The assemblage of claim 17 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 4 OCONHC 6 H 5 , J represents atoms to form an indolylidene ring, G is N(CH 3 ) 2 , R 3 is C 2 H 5 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 22

The assemblage of claim 17 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 4 OCONHC 6 H 5 , J represents atoms to form an indolylidene ring, G is CH 3 , R 3 is CH 3 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .

Claim 23

The assemblage of claim 17 wherein Y is methyl, n is 2, Z and R 2 form a 6-membered ring, R 1 is C 2 H 5 , J represents atoms to form an indolylidene ring, G is N(CH 3 ) 2 , R 3 is C 2 H 5 , R 4 and R 5 are each hydrogen and R 6 is C 6 H 5 .