国家/地区 中国（2）
IPC部 C（2）
IPC大类 C07（2）
IPC小类 C07D（2）
IPC
发明人 ZHANG Y（2）
公开年
申请年 2022（2）
专利权人

Synthesizing fluoroethylene carbonate by gas phase method comprises e.g. preheating ethylene carbonate and fluorine gas, placing in rectification tower filled with supported catalyst, carrying out reactive distillation, transferring to primary condenser, and condensing.

ZHANG Y, DONG J, LIU Y, GUO F, WANG Y

Electrochromic material useful in electrochromic device, comprises electrochromic molecules (comprising electroacid structural unit i.e. spiro(2,11-dihydropyrrolo(3,4-a)phenoxazine-3,10'-9H-anthracene)-1-one derivatives, and dye structural unit) and electrolytes.

ZHANG X, YAO Z, ZHANG Y