Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1996-09-10
1998-02-03
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546309, 546312, C07D21373, C07D21374, C07D40112
Patent
active
057146144
ABSTRACT:
The present invention provides a pyridine derivative represented by the following formula A or B, a dye produced by coupling the pyridine derivative A or B with an arbitray coupler and a thermal transfer sheet wherein use is made of the dye. In a thermal transfer process wherein use is made of a sublimable dye, the dye and the thermal transfer sheet according to the present invention can form a clear image having a sufficient density and an excellent light fastness. ##STR1##
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E. Klingsberg et al `The chemistry of Heterocyclic compounds`, 1962, Interscience Publishers, New York, USA, vol. 14, Part 3, Chapter IX; "Aminopyridines", pp. 1-178.
Chemical Abstracts, vol. 102, No. 25, 24 Jun. 1985, Columbus, Ohio, US; abstract No. 214472D, A. Matsuura et al: `A new flurometric method for latamofex in biological materials using 2, 6-diamino-3-nitrospyridine.`, p. 3; col. Right.
Eguchi Hiroshi
Kafuku Koumei
Takiguchi Ryohei
Dai Nippon Printing Co. Ltd.
Raymond Richard L.
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