Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1991-11-08
1992-05-19
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
427151, 503216, 503225, B41M 530
Patent
active
051149036
ABSTRACT:
A novel thermally-responsive record material is disclosed comprising a support having provided thereon in substantially contiguous relationship an electron donating dye precursor and a succinimide of the formula ##STR1## wherein n is an integer from 1 to 3 wherein each R is independently selected from hydrogen and C.sub.1 to C.sub.8 alkyl,
REFERENCES:
patent: 3671543 (1972-06-01), Koga et al.
Appleton Papers Inc.
Mieliulis Benjamin
Schwartz Pamela R.
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