Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1984-08-21

1985-07-23

Hess, Bruce H.

Recorders

Record receiver deforming

346208, 427150, 427151, B41M 518

Patent

active

045311404

ABSTRACT:
In a heat-sensitive recording material incorporating a colorless or pale-colored basic dye and a color acceptor which is reactive with the basic dye to form a color when contacted therewith, the recording material characterized in that at least one compound represented by the formula [I] is contained in a heat-sensitive recording layer ##STR1## wherein X is --O-- or --COO--, R.sub.1 to R.sub.4 are each hydrogen atom, alkyl having 1 to 8 carbon atoms, aryl having 6 to 10 carbon atoms, aralkyl having 7 to 9 carbon atoms, chlorine atom, acetyl, propionyl, methoxy, methylthio, methoxycarbonyl, cyano, nitro or cyclohexenyl, substituents R.sub.1 and/or R.sub.2 or substituents R.sub.3 and R.sub.4 may link together to form aromatic ring(s), n is an integer of 1 to 10.

REFERENCES:
patent: 4251593 (1981-02-01), Sakamoto et al.
patent: 4342473 (1982-08-01), Chang
patent: 4444844 (1984-04-01), Kubo et al.
patent: 4479138 (1984-10-01), Ikeda et al.

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