Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1993-01-27
1993-09-07
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
503225, B41M 528
Patent
active
052428842
ABSTRACT:
A heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer disposed on said substrate, said heat-sensitive recording layer containing a colorless or light-colored basic dye and a color developer capable of causing color development upon contact with said basic dye by application of heat, characterized in that said heat-sensitive recording layer contains (i) an antioxidant comprising at least a member selected from the group consisting of the compounds represented by the following structural formula (I) and the compounds represented by the following structural formula (II), (ii) an aromatic secondary amine compound and (iii) at least a basic dye having an absorption in the near infrared region with respect to an image provided as said basic dye. ##STR1##
REFERENCES:
patent: 4020056 (1977-04-01), Farber
patent: 4447487 (1984-05-01), Maekawa et al.
patent: 4603339 (1986-07-01), Iwakura et al.
patent: 4659643 (1987-04-01), Ishida et al.
patent: 4761396 (1988-08-01), Kanda et al.
Mando Ritsuo
Onishi Toshikazu
Kanzaki Paper Manufacturing Co. Ltd.
Schwartz Pamela R.
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