Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Spatial relationship specified between color-former and...
Patent
1987-10-06
1990-08-21
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Spatial relationship specified between color-former and...
427152, 428690, 428913, 503204, B11M 518
Patent
active
049506382
ABSTRACT:
A thermosensitive recording material is disclosed, which comprises a support, and a thermosensitive recording layer formed on one side of the support, the thermosensitive recording layer comprising (i) a thermosensitive coloring layer comprising a thermosensitive coloring system capable of producing a color upon application of heat thereto, and (ii) a colored layer comprising a colored fluorescent dye composition.
REFERENCES:
patent: 4370370 (1983-01-01), Iwata et al.
patent: 4647951 (1987-03-01), Yamori et al.
Aihara Hideo
Okuda Hiroaki
Uematsu Kenji
Yuyama Yukihiro
Hess Bruce H.
Ricoh & Company, Ltd.
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