Patent ID: 6583086
Filing Date: 2003-06-24
Classification: B41M

Abstract:
A thermally sensitive recording medium that possesses on a substrate a thermally sensitive color developing layer containing a colorless or pale colored basic dye precursor, and a color developer that reacts with the dye precursor and makes said dye precursor develop color when heated, characterized by containing;(a) a compound represented by general formula (1) as the color developer, and (b) a compound represented by general formula (2) or general formula (3) as a sensitizer, â€ƒwherein R1 represents a hydrogen atom, a methyl group or a chlorine atom, R2 and R3 represents a hydrogen atom, a methyl group, an alkoxy group or an allyloxy group, m and n represent an integer of 1-5, R4 represents an alkyl group, an alkoxy group of carbon number 1-6 or an electron withdrawing and o represents an integer of 0-2.