Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Patent
1994-11-09
1995-12-19
Nazario-Gonzalez, Porfirio
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
556 49, 556 50, 556131, 556132, 556134, 556135, 556147, 556148, 556150, 556183, 556184, 558234, 558235, 558241, 560 29, C07F 302, C07F 304, C07F 306, C07F 1500
Patent
active
054769574
ABSTRACT:
The heat-sensitive recording material disclosed comprises a colorless or pale colored dyestuff precursor, one or more salicylic acid derivative of the formula (1) or metal salt of the derivative and an aliphatic amide compound having 18.about.60 carbon atoms in molecular structure, and is excellent in thermal response and preservation stability of white portions and images. ##STR1## wherein X.sub.1 and X.sub.2 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, Y.sub.1 and Y.sub.2 are an oxygen atom or a sulfur atom, R.sub.1 is a hydrogen atom, an alkyl group, an aralkyl group or an aryl group, and R.sub.2 is an alkyl group, an alkenyl group, an aralkyl group or an aryl group.
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Kobayashi Yuki
Nakatsuka Masakatsu
Otsuji Atsuo
Tanabe Yoshimitsu
Yamaguchi Akihiro
Mitsui Toatsu Chemicals Inc.
Nazario-Gonzalez Porfirio
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