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
1988-10-24
1990-05-08
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, 428913, 503200, 503207, 503214, B41M 518
Patent
active
049238450
ABSTRACT:
A heat-sensitive recording material is disclosed. The material comprises a support and a heat-sensitive recording layer, between which is provided an undercoat layer which comprises a first layer comprising urea-formaldehyde resin and a second layer comprising a pigment provided on the first layer. The first layer may additionally contain a pigment.
Koike Naomasa
Okumura Fumio
501 Mitsubishi Paper Mills, Ltd.
Schwartz Pamela R.
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