发明名称 Heterocyclically annellated indenochromene derivatives
摘要 The present invention relates to specific photochromic heterocyclically annellated indenochromene derivatives and the use thereof in plastics of all types, particularly for ophthalmic applications. In particular, the present invention relates to indeno[2,1-f] chromene derivatives having the following general formula (I) and indeno[1,2-h] chromene derivatives having the following general formula (II):
申请公布号 US2004092743(A1) 申请公布日期 2004.05.13
申请号 US20030720442 申请日期 2003.11.25
申请人 OPTISCHE WERKE G. RODENSTOCK 发明人 MANN CLAUDIA;MELZIG MANFRED;WEIGAND UDO
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):C07D491/10;G02B5/02 主分类号 G02C7/04
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