Thermal recording material

Details Thermal recording material Thermal recording material

2007-03-20

2007-03-20

Hess, B. Hamilton (Department: 1774)

Record receiver having plural interactive leaves or a colorless

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

Identified organic electron acceptor other than phenolic resin

C427S150000, C503S209000, C503S221000

Reexamination Certificate

active

10499433

ABSTRACT:
The present invention provides a heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer provided thereon, the layer comprising a color forming system that combines an electron-donating colorless dye and an electron-accepting compound, in which the electron-accepting compound is a compound represented by the formula R1-Ph-SO2R2(wherein R1represents a hydroxyl group or an alkyl group, R2represents -Ph, —NH-Ph, -Ph-OR3or —NH—CO—NH-Ph, R3represents an alkyl group, and Ph represents a phenyl group), and at least the heat-sensitive recording layer is formed by curtain-coating a coating solution for the heat-sensitive recording layer.

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