B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/3
B41M 5/26 (2006.01)
Patent
CA 1295481
71023-11 ABSTRACT OF THE DISCLOSURE Disclosed is a heat-sensitive recording material comprising a substrate and a color-developing layer which comprises a near infrared-absorbing fluoran-type leuco dye, an electron acceptor and an electron donor. The electron acceptor and the electron donor react with each other and form a chelate when heated. A typical electron acceptor is a polyvalent hydroxyaromatic compound and a typical electron donor is a double metal salt of a higher fatty acid. This heat-sensitive recording material provides a superior optical readability in near infrared region.
571259
Fujimura Fumio
Minami Toshiaki
Nagai Tomoaki
Satake Toshimi
Nippon Paper Industries Co. Ltd.
Smart & Biggar
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