申请人:Rodenstock GmbH
公开号:US06660727B1
公开(公告)日:2003-12-09
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):
本发明涉及特定的光致变色杂环螺合吲哚基色素衍生物及其在各种类型的塑料中的应用,特别是在眼科应用中。具体而言,本发明涉及具有以下一般式(I)的吲哚[2,1-f]色素衍生物和具有以下一般式(II)的吲哚[1,2-h]色素衍生物: