发明名称 |
PHOTOCHROMIC COMPOUNDS AND COMPOSITIONS |
摘要 |
<p>Described herein are compounds generally comprising an indeno[2',3':3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles. Also described herein are methods for preparing certain photochromic compounds, compositions, and articles.</p> |
申请公布号 |
EP2652552(B1) |
申请公布日期 |
2015.09.02 |
申请号 |
EP20110788309 |
申请日期 |
2011.11.17 |
申请人 |
TRANSITIONS OPTICAL, INC. |
发明人 |
HE, MENG;DABIDEEN, DARRIN, R.;KUMAR, ANIL;XU, RUISONG |
分类号 |
G03C1/73;C07D311/94;C09K9/02 |
主分类号 |
G03C1/73 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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