| 发明名称 |
Acridine derivative metal complexes used for transparent recording medium or optical recording medium |
| 摘要 |
An acridine derivative metal complex of formula 2 having a large absorption in the near-infrared range and a reduced absorption in the visible range, which acridine derivative metal complex is used in a transparent recording medium: <IMAGE> (2) where M is a metal atom, and X is a negative ion.
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| 申请公布号 |
US5892042(A) |
申请公布日期 |
1999.04.06 |
| 申请号 |
US19970933609 |
申请日期 |
1997.09.18 |
| 申请人 |
NIPPON PAPER INDUSTRIES CO., LTD. |
发明人 |
OHASHI, REIJI;RYU, YUKIKO;NAGAI, TOMOAKI;YOSHIOKA, HIDETOSHI |
| 分类号 |
B41C1/10;B41M5/333;B41M5/337;B41M5/46;C07D219/08;C07D221/12;C09B53/02;G11B7/246;G11B7/249;G11B7/2492;G11B7/2498;G11B7/253;G11B7/2535;(IPC1-7):C07D221/12;G11B7/24 |
主分类号 |
B41C1/10 |
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