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.
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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 |
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代理人 |
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主权项 |
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地址 |
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