Thermosensitive reversible recording material

Details Thermosensitive reversible recording material Thermosensitive reversible recording material

1998-07-13

1999-11-02

Hess, Bruce H.

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

503201, 503217, 503221, 503225, B41M 530

Patent

active

059770201

ABSTRACT:
A thermosensitive reversible recording material capable of forming and holding clear colored images with a high contrast and capable of being repeatedly color-developed and color-erased many times, has a thermosensitive recording layer formed on substrate sheet and including (A) at least one reversibly color-developing and -erasing compound selected from those of the formulae (I), (II) and (III), and (B) at least one dye precursor compound of the formula (IV). ##STR1## R.sup.1 =naphyl or lower alkoxy-substituted phenyl group Y.sup.1, Y.sup.2 =--NHCO--, --SCONH--, --CONHCO--, etc., n, m, p=10 to 29, R.sup.2, R.sup.3, R.sup.4, R.sup.5 =C.sub.1 -C.sub.9 alkyl, C.sub.3 -C.sub.6 cycloalkyl or substituted or non-substituted phenyl group, R.sup.6, R.sup.7 =C.sub.1 -C.sub.6 alkyl or phenyl group.

REFERENCES:
patent: 4762818 (1988-08-01), Sekine et al.
patent: 5641724 (1997-06-01), Yamaguchi et al.

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