Infrared absorbing oxyindolizine dyes for dye-donor element used in laser-induced thermal dye transfer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B41M-005/035
B41M-005/26
출원번호
US-0369494
(1989-06-20)
발명자
/ 주소
DeBoer Charles D. (Rochester NY)
출원인 / 주소
Eastman Kodak Company (Rochester NY 02)
인용정보
피인용 횟수 :
56인용 특허 :
1
초록▼
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an oxyindolizine dye. In a preferred embodiment, the oxyindol
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an oxyindolizine dye. In a preferred embodiment, the oxyindolizine dye has the following formula: [Figure] or [Figure] wherein R1 and R2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or an aryl, cycloalkyl or hetaryl group having from about 5 to about 10 atoms; R3, R4, R5, R6 and R7 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R3, R4, R5, R6 and R7 groups may be combined with each other to form a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; Y represents oxygen, sulfur, selenium, tellurium, nitrogen or phosphorus; A and Z each independently represents hydrogen or the atoms necessary to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring, with the proviso that Z may be a ring only when Y is nitrogen or phosphorus; n is 0 to 2, with the proviso that n is 1 or 2 when Y is oxygen, sulfur, selenium or tellurium; and X is a monovalent anion.
대표청구항▼
In a process of forming a laser-induced thermal dye transfer image comprising (a) imagewise-heating by means of a laser a dye-donor element comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in said dye layer, and (b) transferring a dye
In a process of forming a laser-induced thermal dye transfer image comprising (a) imagewise-heating by means of a laser a dye-donor element comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in said dye layer, and (b) transferring a dye image to a dye-receiving element to form said laser-induced thermal dye transfer image, the improvement wherein said infrared-absorbing material is an oxyindolizine dye having the following formula: [Figure] or [Figure] wherein: R1 and R2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or an aryl, cycloalkyl or hetaryl group having from about 5 to about 10 atoms; R3, R4, R5, R6 and R7 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R3, R4, R5, R6 and R7 groups may be combined with each other to form a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; Y represents oxygen, sulfur, selenium, tellurium, nitrogen or phosphorus; A and Z each independently represents hydrogen or the atoms necessary to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring, with the proviso that Z may be a ring only when Y is nitrogen or phosphorus; n is 0 to 2, with the proviso that n is 1 or 2 when Y is oxygen, sulfur, selenium or tellurium; and X is a monovalent anion.
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이 특허에 인용된 특허 (1)
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