发明名称 Fluoran compound, process for preparation thereof and heat sensitive recording materials comprising said compound.
摘要 <p>Disclosed are a novel fluoran compound represented by the formula (I): &lt;CHEM&gt; and a heat-sensitive recording paper which is obtained by using the fluoran compound as a chromogenic compound and is excellent in preserving stability.</p>
申请公布号 EP0411509(A2) 申请公布日期 1991.02.06
申请号 EP19900114506 申请日期 1990.07.27
申请人 MITSUI TOATSU CHEMICALS, INC. 发明人 NAKATSUKA, MASAKATSU;OTSUJI, ATSUO;HASEGAWA, KIYOHARU;TAKAGI, MASATOSHI;YAMAGUCHI, AKIHIRO
分类号 B41M5/327;C07D493/10 主分类号 B41M5/327
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