Reversible thermosensitive coloring composition and reversible t

Details Reversible thermosensitive coloring composition and reversible t Reversible thermosensitive coloring composition and reversible t

1998-08-17

2000-07-18

Hess, Bruce

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3123, 503201, 503216, C09D 1112

Patent

active

060901926

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 n is an integer of between 1 and 3, X represents a divalent group having a nitrogen atom or an oxygen atom, R.sup.1 represents a substituted or non-substituted aliphatic hydrocarbon group having at least two carbon atoms and R.sup.2 represents a hydrocarbon group. A reversible thermosensitive recording medium has a thermosensitive recording layer containing the above composition.

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