Heat sensitive recording material

Details Heat sensitive recording material Heat sensitive recording material

1991-10-25

1993-02-16

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

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

Heavy metal reactant

503216, 503217, 503221, 503225, B41M 532

Patent

active

051871432

ABSTRACT:
The present invention provides a heat sensitive recording material having a recoridng layer formed on a substrate and containing a colorless or light-colored basic dye and a color developer, the heat sensitive recording material being characterized in that the color developer includes a zinc salt of terephthalaldehydic acid or a composite zinc salt of terephthalaldehydic acid and other aromatic carboxylic acid.

REFERENCES:
patent: 3864146 (1975-02-01), Oda et al.
patent: 3924027 (1975-12-01), Saito et al.
patent: 4236732 (1980-12-01), Murakami et al.

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