发明名称 Squarylium compound and optical information recording medium using the same
摘要 <p>There are described a novel squarylium compound represented by the formula (I): <CHEM> and an optical information recording medium using the squarylium compound in the recording layer.</p>
申请公布号 EP0838463(A2) 申请公布日期 1998.04.29
申请号 EP19970122291 申请日期 1993.04.23
申请人 KYOWA HAKKO KOGYO CO., LTD.;RICOH COMPANY, LTD. 发明人 SHIMIZU, IKUO;TOYODA, HIROSHI;ITO, YUKIYOSHI;SATO, TSUTOMU
分类号 C07D401/08;C07D487/04;C09B57/00;(IPC1-7):C07D401/08 主分类号 C07D401/08
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