Reversible thermosensitive composition and reversible thermosens

Details Reversible thermosensitive composition and reversible thermosens Reversible thermosensitive composition and reversible thermosens

1997-08-29

1999-08-24

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

Composition or product

430 19, 430964, 503216, 503225, B41M 530

Patent

active

059423773

ABSTRACT:
A reversible thermosensitive composition including a coloring agent and a developer and capable of assuming a colored state and a discolored state depending upon the thermal hysteresis thereof. The developer is a phenol compound represented by the formula: ##STR1## wherein R.sup.1 represents a substituted or non-substituted divalent hydrocarbon group having at least two carbon atoms, R.sup.2 represents a substituted or non-substituted hydrocarbon group, X and Y represent, independently from each other, a divalent group having a hetero atom and r is an integer of between 1 and 3. A reversible thermosensitive recording medium includes a support and a thermosensitive layer including the above composition.

REFERENCES:
patent: 5395815 (1995-03-01), Ikeda et al.
patent: 5498772 (1996-03-01), Maruyama et al.

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