发明公开
- 专利标题： Chromene compound
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申请号： EP06000884.4申请日： 2000-12-28
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公开(公告)号： EP1657239A3公开(公告)日： 2008-05-21
- 发明人: Izumi, Shinobu , Kawabata, Yuichiro , Takeda, Yasuko , Momoda, Junji , Nagoh, Hironobu
- 申请人： Tokuyama Corporation
- 申请人地址： 1-1 Mikage-cho Shunan-shi, Yamaguchi 745-0053 JP
- 专利权人： Tokuyama Corporation
- 当前专利权人： Tokuyama Corporation
- 当前专利权人地址： 1-1 Mikage-cho Shunan-shi, Yamaguchi 745-0053 JP
- 代理机构： Cresswell, Thomas Anthony
- 优先权： JP2000042682 20000221
- 主分类号： C07D311/94
- IPC分类号： C07D311/94 ; C07D405/10 ; C07D409/04 ; C07D451/02 ; C07D453/02 ; C07D491/20 ; C07D491/107 ; C07D495/10 ; C09K9/02 ; G03C1/73 ; G02B1/04 ; C07D491/10 ; C07D493/10
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.
公开/授权文献
- EP1657239B1 Chromene compound 公开/授权日：2010-08-11
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