Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1987-06-10
1989-09-19
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, 428913, 428914, 503216, 503217, 503221, B41M 518
Patent
active
048681512
ABSTRACT:
A heat-sensitive recording material has a support and a color-developing layer which comprises a particular sulfone as an organic color-developing agent and a particular fluorene-type leuco dyestuff as a colorless basic chromogenic dyestuff. This heat-sensitive recording material is superior in light resistance, weather resistance, oil resistance and optical readability in the near infrared region.
REFERENCES:
patent: 4591888 (1986-05-01), Satake et al.
patent: 4658276 (1987-04-01), Kanda et al.
Fujimura Fumio
Minami Toshiaki
Nagai Tomoaki
Satake Toshimi
Hess Bruce H.
Jujo Paper Co. Ltd.
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