Thermosensitive recording material

Details Thermosensitive recording material Thermosensitive recording material

1994-09-15

1995-09-05

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

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

Having nonreactant particles of defined size

503216, 503221, 503226, B41M 530, B41M 540

Patent

active

054479002

ABSTRACT:
A thermosensitive recording material having a support and a thermosensitive coloring layer which is formed on the support and contains a leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, with the color developer including one compound with an acid dissociation constant (pKa) of 7.0 or less in a mixed solvent of water and methanol with a volume ratio of 1:1.

REFERENCES:
patent: 5306687 (1994-04-01), Furuya et al.
patent: 5328754 (1994-07-01), Yuyama et al.

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