发明名称 |
2-ADAMANTYL BENZOPYRANS, THE COMPOSITIONS AND (CO)POLYMER MATRICES CONTAINING THEM |
摘要 |
The present invention has for subjects, novel benzopyran derivatives, substituted in position 2 with an adamantyl group as well as the compositions and (co)polymer matrices containing such derivatives. Said derivatives possess interesting photochromic properties.
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申请公布号 |
CA2274175(A1) |
申请公布日期 |
1998.07.02 |
申请号 |
CA19972274175 |
申请日期 |
1997.12.10 |
申请人 |
CORNING INCORPORATED |
发明人 |
CHAN, YOU-PING |
分类号 |
G02B5/23;C03C4/06;C03C14/00;C07D311/92;C07D311/96;C08F20/26;C08F246/00;C08K5/1545;C08L101/06;G09F9/30;(IPC1-7):C07D311/92;G02C7/00;F21V9/06;C08K5/15;C08K5/24;C08K5/45 |
主分类号 |
G02B5/23 |
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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