Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1993-02-12
1994-02-22
Lieberman, Paul
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
106 21A, B41M 520, C09D 1102
Patent
active
052886867
ABSTRACT:
A heat sensitive color developing material containing an electron donating color forming organic compound, a heat activating compound, and a color developer. These materials have excellent heat sensitivity in which color can be developed rapidly and can be easily produced and easily used.
REFERENCES:
patent: 3916068 (1975-10-01), Kohmura et al.
patent: 3984605 (1976-10-01), Kohmura et al.
patent: 4180405 (1979-12-01), Lawton
Eguchi Yoshio
Nakae Yasuhiko
Nakano Shingi
Tanabe Hisaki
Einsmann Margaret
Lieberman Paul
Morrison Thomas R.
Nippon Paint Co. Ltd.
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