| 发明名称 |
HETEROCYCLICALLY ANELLATED INDENOCHROMENE DERIVATIVES |
| 摘要 |
The invention relates to specific photochromic, heterocyclically anellated indenochromene derivatives and to their use in plastics of all types, especially for ophthalmic purposes. The invention particularly relates to indeno[2,1-f]chromene derivatives with general formula (I), and to indeno[1, 2- h]chromene derivatives with general formula (II).
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| 申请公布号 |
CA2359046(A1) |
申请公布日期 |
2001.05.17 |
| 申请号 |
CA20002359046 |
申请日期 |
2000.11.09 |
| 申请人 |
OPTISCHE WERKE G. RODENSTOCK |
发明人 |
WEIGAND, UDO;MANN, CLAUDIA;MELZIG, MANFRED |
| 分类号 |
G02C7/04;C07D491/04;C07D491/052;C07D493/04;C07D495/04;C08K5/00;C08K5/1535;C09K9/02;G02B5/23;G02C7/10;(IPC1-7):C07D493/04;C07D209/00;C07D307/00;C07D311/00;C07D333/00;C08K5/15 |
主分类号 |
G02C7/04 |
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