| 发明名称 |
PHOTOCHROMIC ANELLATED NAPHTHOPYRANS HAVING A BENZENE RING WHICH IS ADJACENT TO THE PYRAN ACID AND IS LINKED TO THE PARA SUBSTITUENTS VIA BOTH META POSITIONS |
| 摘要 |
<p>The present invention relates to photochromic fused naphthopyrans having a benzene ring which is adjacent to the pyran oxygen and is linked to the para substituent via both meta positions, and to the use thereof in plastics of all types, in particular for ophthalmic purposes.</p> |
| 申请公布号 |
EP2655354(A1) |
申请公布日期 |
2013.10.30 |
| 申请号 |
EP20110805419 |
申请日期 |
2011.12.21 |
| 申请人 |
RODENSTOCK GMBH |
发明人 |
MELZIG, MANFRED;ROHLFING, YVEN;WEIGAND, UDO |
| 分类号 |
C07D311/92 |
主分类号 |
C07D311/92 |
| 代理机构 |
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