| 发明名称 |
Chromene compound |
| 摘要 |
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.
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| 申请公布号 |
US2003096117(A1) |
申请公布日期 |
2003.05.22 |
| 申请号 |
US20010958843 |
申请日期 |
2001.10.15 |
| 申请人 |
KAWABATA YUICHIRO;TAKEDA YASUKO;MOMODA JUNJI;NAGOH HIRONOBU;IZUMI SHINOBU |
发明人 |
KAWABATA YUICHIRO;TAKEDA YASUKO;MOMODA JUNJI;NAGOH HIRONOBU;IZUMI SHINOBU |
| 分类号 |
C07D311/94;C07D311/96;C07D405/10;C07D409/10;C07D491/10;C07D491/107;C07D491/20;C07D493/10;C07D495/10;C09K9/02;G03C1/685;(IPC1-7):C07D321/00;B32B9/04 |
主分类号 |
C07D311/94 |
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