Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1996-11-05

1998-03-17

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Having constituent defined in terms of melting temperature

503209, 503216, 503225, B41M 530

Patent

active

057286469

ABSTRACT:
A heat-sensitive recording material, comprising a heat-sensitive recording layer containing at least one acid hydrazide compound represented by the following general formula (I): ##STR1## wherein X.sub.1 and X.sub.2 each independently represent a hydrogen atom, a hydroxyl group, a halogen atom or an alkyl group or alkoxy group having 1 to 10 carbon atoms, A represents --CO-- or --SO.sub.2 --, n is 1 or 2, when n is 1, R.sub.1 represents an alkyl group, an aryl group, a hydroxyaryl group, an alkoxyaryl group, or an alkylaryl group having 1 to 22 carbon atoms and when n is 2, R.sub.1 represents an alkylene group or arylene group having 1 to 18 carbon atoms or a direct bond.

REFERENCES:
patent: 4334015 (1982-06-01), Yarian

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