The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2017
Filed:
Jun. 24, 2016
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Daikin Industries, Ltd., Osaka-shi, Osaka, JP;
Takahiko Murai, Tokyo, JP;
Naoki Sakamoto, Tokyo, JP;
Naoto Miyake, Tokyo, JP;
Tadashi Ino, Settsu, JP;
Masaharu Nakazawa, Settsu, JP;
Noriyuki Shinoki, Settsu, JP;
Takashi Yoshimura, Settsu, JP;
Masahiro Kondo, Settsu, JP;
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A method for producing an electrolyte emulsion, the method including: Step (1) in which an ethylenic fluoromonomer and a fluorovinyl compound having an SOZgroup, wherein Zis a halogen element, are copolymerized at a polymerization temperature of 0° C. or higher and 40° C. or lower to provide a precursor emulsion containing a fluoropolymer electrolyte precursor; and Step (2) in which a basic reactive liquid is added to the precursor emulsion and the fluoropolymer electrolyte precursor is chemically treated, whereby an electrolyte emulsion with a fluoropolymer electrolyte dispersed therein is provided, wherein the electrolyte emulsion has an equivalent weight (EW) of 250 or more and 700 or less.