Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified organic electron acceptor other than phenolic resin
Patent
1994-09-22
1995-11-14
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified organic electron acceptor other than phenolic resin
503221, 503225, B41M 530
Patent
active
054666562
ABSTRACT:
The present invention provides a heat sensitive recording material comprising a recording layer formed on a substrate and containing a colorless or light-colored basic dye and a color acceptor, the material being characterized in that the basic dye is 3-(N-ethyl-N-p-tolyl)amino-6-methyl-7-p-toluidinofluoran, the color acceptor is bis(3-allyl-4-hydroxyphenyl)sulfone and/or 4-hydroxy-4'-isopropoxydiphenylsulfone.
REFERENCES:
patent: 4939269 (1990-07-01), Ohtsubo et al.
Ishida Katsuhiko
Maki Kazumi
Okimoto Tomoyuki
Hess B. Hamilton
New Oji Paper Company Ltd.
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