Patent
Fluorine-containing dicarboxylic acids and their novel polymer compounds (US Patent 8304508)
Central Glass Company, Limited · Granted Nov 6, 2012 · Filed Aug 1, 2011
Patent number: 8304508 Kind code: B2 Granted: 2012-11-06 Filed: 2011-08-01 Inventors: Satoru Narizuka (Saitama, JP); Yuji Hagiwara (Kawagoe, JP); Masashi Nagamori (Fujimino, JP); Kazuhiro Yamanaka (Kokubunji, JP) Assignees: Central Glass Company, Limited (Ube-shi, JP)
Abstract
A fluorine-containing dicarboxylic acid represented by formula (1), wherein n represents an integer of 1-4, and the two carboxylic groups are not adjacent to each other on the aromatic ring. It is possible to obtain a
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