Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1988-04-29
1990-04-17
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
427150, 427151, 503208, 503216, 503217, 503220, 503221, 503225, B41M 518
Patent
active
049180444
ABSTRACT:
A thermosensitive recording sheet having a thermosensitive color developer layer containing a basic leuco dye and an organic color developer, said layer containing a compound of the formula ##STR1## as a sensitizer.
REFERENCES:
patent: 4471073 (1984-09-01), Ikeda et al.
patent: 4480052 (1984-10-01), Ichijima et al.
Fujimura Fumio
Magami Masato
Minami Toshiaki
Oda Satoshi
Satake Toshimi
Hess Bruce H.
Jujo Paper Co. Ltd.
Yoshitomi Pharmaceutical Industries Ltd.
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