Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1987-11-20
1989-07-04
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, 428913, 503207, 503214, 503216, 503220, 503223, B41M 518
Patent
active
048450723
ABSTRACT:
A thermosensitive recording material is disclosed, which comprises a support material and a thermosensitive coloring layer formed thereon comprising a leuco dye, a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, and a vinyl ether compound having the general formula, ##STR1## which serves as thermosensitivity improvement agent.
REFERENCES:
patent: 4539578 (1985-09-01), Igarashi et al.
Furuya Hiromi
Iiyama Kiyotaka
Hess Bruce H.
Ricoh & Company, Ltd.
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