发明名称 Selected trihydroxybenzophenone compounds and their use as photoactive compounds
摘要 A trihydroxybenzophenone compound of the formula (I): <IMAGE> (I) wherein R1 is selected from the group consisting of hydroxyl group, halide group, a lower alkyl group having 1 to 4 carbon atoms, and a lower alkoxy group having 1 to 4 carbon atoms.
申请公布号 US5196517(A) 申请公布日期 1993.03.23
申请号 US19910661928 申请日期 1991.02.28
申请人 OCG MICROELECTRONIC MATERIALS, INC. 发明人 TOUKHY, MEDHAT A.;JEFFRIES, III, ALFRED T.
分类号 C07C45/71;C07C45/75;C07C49/83;C07C49/84;G03F7/022 主分类号 C07C45/71
代理机构 代理人
主权项
地址