| 发明名称 |
Chromene compound |
| 摘要 |
<p>Novel chromene compounds having various substituents to exhibit a high color-developing sensitivity and a high density even when dispersed in a high-molecular matrix, and exhibiting a large fading rate, less color when deteriorated, and excellent light resistance in the photochromic properties; photochromic materials containing the chromene compounds; and use thereof.</p> |
| 申请公布号 |
EP1657239(B1) |
申请公布日期 |
2010.08.11 |
| 申请号 |
EP20060000884 |
申请日期 |
2000.12.28 |
| 申请人 |
TOKUYAMA CORPORATION |
发明人 |
IZUMI, SHINOBU;KAWABATA, YUICHIRO;TAKEDA, YASUKO;MOMODA, JUNJI;NAGOH, HIRONOBU |
| 分类号 |
C07D311/94;C07D311/96;C07D405/10;C07D409/04;C07D409/10;C07D451/02;C07D453/02;C07D491/10;C07D491/107;C07D491/20;C07D493/10;C07D495/10;C09K9/02;G02B1/04;G03C1/685;G03C1/73 |
主分类号 |
C07D311/94 |
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