Recording materials

Recorders – Record receiver deforming

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Details

346225, 427150, 427151, B41M 516, B41M 518, B41M 522

Patent

active

045831041

ABSTRACT:
A recording material composed of an electron donating colorless dye and electron accepting compound is disclosed. The electron accepting compound is a phenol or naphthol compound having, as a substituent, an aryloxysulfonyl group which can be substituted or an alkoxysulfonyl group which can be substituted. The resulting material provides sufficient color density and strong color fastness by coloration reaction.

REFERENCES:
patent: 4312522 (1982-01-01), Yamaguchi et al.
patent: 4446209 (1984-05-01), Iwakura et al.
patent: 4453744 (1984-06-01), Wurmli et al.

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