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
1990-06-29
1992-07-28
Hess, Bruce H.
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
427150, 503225, B41M 530
Patent
active
051341131
ABSTRACT:
Thermoreactive recording material contains, as developer, a mixture of an acidic-modified polymer of (meth)acrylonitrile and/or methacrylonitrile and a diphenol of the formula ##STR1## in which Y is, for example, a single bond, an alkylene or alkylidene radical, gives, on thermal printing, a dye which has a reduced tendency to sublime.
REFERENCES:
patent: 3825432 (1974-07-01), Futaki et al.
patent: 4600930 (1986-07-01), Psaar
patent: 4719198 (1988-01-01), Sato et al.
patent: 4918048 (1990-04-01), Psaar et al.
Klug Gunter
Korte Siegfried
Psaar Hubertus
Bayer Aktiengesellschaft
Hess Bruce H.
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