Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

2011-06-07

2011-06-07

Hess, Bruce H (Department: 1785)

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having nonchromogenic liquid spread-control or...

C503S216000, C503S226000

Reexamination Certificate

active

07956007

ABSTRACT:
A heat-sensitive recording material comprising a support and a heat-sensitive recording layer, the heat-sensitive recording layer comprising a colorless or pale-colored basic dye and a developer, the developer being 4-allyloxy-4′-hydroxydiphenylsulfone, and the heat-sensitive recording layer further comprising a compound represented by formula (I):wherein R1is an unsubstituted aromatic group, or an aromatic group substituted with at least one member selected from the group consisting of a methyl group and a chlorine atom, and R2is a divalent organic group.

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