Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1984-07-30

1985-04-30

Hess, Bruce H.

Recorders

Record receiver deforming

346225, 427150, 427151, B41M 518

Patent

active

045147450

ABSTRACT:
In a heat-sensitive recording material incorporating a colorless or pale-colored basic dye and a color acceptor which is reactive with the dye to form a color when contacted therewith, the recording material characterized in that the color acceptor comprises at least one compound represented by the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each a hydrogen atom, alkyl having 1 to 8 carbon atoms, aryl or aralkyl, provided that R.sub.1 and R.sub.2, as well as R.sub.3 and R.sub.4, are not hydrogen at the same time.

REFERENCES:
patent: 3539375 (1970-11-01), Baum
patent: 3664858 (1972-05-01), Huffman

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