摘要 |
<p>Described herein are compounds (III) comprising an indeno[2',3', 3, 4] naptho [1,2-b] pyran structure. Such compounds may be useful for their photochromic properties, and be use 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.</p> |
申请人 |
TRANSITIONS OPTICAL, INC. |
发明人 |
HE, MENG;DABIDEEN, DARRIN R.;MONDAL, SUJIT;DAI, XIAO-MAN;XU, RUISONG;XIAO, WENJING;TOMASULO, MASSIMILIANO;YU, HUAYUN;CHOPRA, ANU;ANIL, KUMAR |