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
1989-10-11
1991-02-05
Schwartz, Pamela R.
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, 428212, 428913, 503200, B41M 518
Patent
active
049904833
ABSTRACT:
There is disclosed a thermosensitive recording material comprising a support, an undercoat layer provided thereon and comprising a first layer formed on the support and containing a pigment; a second layer formed on the first layer and containing an ureaformaldehyde resin, and a thermosensitive recording layer provided on the undercoat layer and containing a dye precursor and a developer capable of developing the color of the dye precursor when heated.
REFERENCES:
patent: 4686546 (1987-08-01), Koike et al.
Mitsubishi Paper Mills Limited
Schwartz Pamela R.
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