发明公开
EP2848668A1 Electrochromic two-core viologen derivatives and optical articles containing them 审中-公开
Elektrochrome zweikernige Viologenderivate und optische Artikel damit

Electrochromic two-core viologen derivatives and optical articles containing them
摘要:
The present invention relates to a group of novel electrochromic materials. More specifically, it relates to electrochromic materials having two-core viologens and the use of these two-core viologens as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
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