Thermal recording sheet
AssigneeJujo Paper Co., Ltd.
InventorsToshiaki Minami, Toshio Kaneko
Life of this patent
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Abstract
A thermal recording sheet provided with a thermal color developing layer containing colorless or pale colored basic chromogenic dye, a color developer of Formula (I) and at least one of o-xylylene-bis-(phenylether) and 4-(m-methylphenoxymethyl) bisphenyl as a sensitizer. ##STR1## (wherein R is propyl, isopropyl, or butyl.)
Claims6
A thermal recording sheet comprising a substrate and a thermal color developing layer on said substrate, said thermal color developing layer comprising a colorless or pale colored basic chromogenic dye, an organic color developer comprising a compound of Formula (I) ##STR3## wherein R is propyl, isopropyl, or butyl and a sensitizer comprising o-xylylene-bis-(phenylether).
Dependencies are inferred from the claim text.