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发明名称
Crystal of fluoran compound, preparation process of the crystal, and recording material comprising the crystal
摘要
申请公布号
EP0477623(B1)
申请公布日期
1995.12.13
申请号
EP19910115067
申请日期
1991.09.06
申请人
MITSUI TOATSU CHEMICALS, INC.
发明人
NAKATSUKA, MASAKATSU;OTSUJI, ATSUO;HASEGAWA, KIYOHARU;KIKKAWA, KAZUYOSHI;YAMAGUCHI, AKIHIRO
分类号
B41M5/145;B41M5/327;C09B11/24;C09B67/48;(IPC1-7):C09B67/48;C09B11/28;B41M5/124;B41M5/26
主分类号
B41M5/145
代理机构
代理人
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