发明授权
US5679494A Heat-sensitive recording material comprising a diazonium salt, a coupler and a benzotriazole compound 失效
包含重氮盐,偶合剂和苯并三唑化合物的热敏记录材料

Heat-sensitive recording material comprising a diazonium salt, a coupler
and a benzotriazole compound
摘要:
A heat-sensitive recording material comprising a support having thereon a heat-sensitive recording layer and a protective layer in this sequence, said heat-sensitive recording material containing a compound represented by formula (1), (2), (3), or (4): ##STR1##
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