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US5468258A Thermal dye transfer methods utilizing heterocyclic hydrazono dyes 失效
使用杂环亚肼基染料的热染料转移方法

Thermal dye transfer methods utilizing heterocyclic hydrazono dyes
摘要:
Dye donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer comprising at least one heterocyclic hydrazono dye, wherein said dye corresponds to the general formula:A=N-N=Hetwherein A is a carbocyclic or heterocyclic coupler group or a cyclic reactive methylene system, which may carry at least one substituent, and Het is a heterocyclic nucleus, which may carry at least one substituent.
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