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发明名称
PHOTOCHROMIC BENZOPYRANO-BENZOPYRANS WITH FURTHER FUSING
摘要
申请公布号
EP2178883(A1)
申请公布日期
2010.04.28
申请号
EP20080785467
申请日期
2008.08.08
申请人
RODENSTOCK GMBH
发明人
MELZIG, MANFRED;ROHLFING, YVEN;WEIGAND, UDO
分类号
C07D493/04;C07D493/14;C09K9/02;G02C7/10
主分类号
C07D493/04
代理机构
代理人
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地址
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