Recording materials

Details Recording materials Recording materials

1986-10-07

1988-09-13

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Heavy metal reactant

427150, 503213, 503216, 503225, B41M 516, B41M 518, B41M 522

Patent

active

047710349

ABSTRACT:
A recording material containing an electron donating leuco dye and an electron accepting compound, wherein said electron accepting compound is a salicyclic acid derivative having an alkyl group, an alkoxy group or an aryloxy group as a substituent or a metal salt thereof. The recording material has satisfactory color developability, working preservability and stability.

REFERENCES:
patent: 3896255 (1975-07-01), Kato et al.
patent: 3924027 (1975-12-01), Saito et al.
patent: 4051303 (1977-09-01), Hayashi et al.

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