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. 25, 2023
Filed:
Oct. 05, 2015
Nippon Shokubai Co., Ltd., Osaka, JP;
Yasunori Okumura, Suita, JP;
Shimpei Sato, Suita, JP;
Masayuki Okajima, Osaka, JP;
Takayuki Kobatake, Osaka, JP;
Hiromoto Katsuyama, Osaka, JP;
NIPPON SHOKUBAI CO., LTD., Osaka, JP;
Abstract
An electrolytic solution comprising N-(fluorosulfonyl)-N-(fluoroalkylsulfonyl)imide or di(fluorosulfonyl)imide, from which a residual solvent that affects the properties of the electrolyte solution material is reduced, is provided. A method for producing an electrolyte solution material containing fluorosulfonyl imide salt represented by the following general formula (1) and an electrolyte solution preparation solvent comprises decompressing and/or heating a solution containing the fluorosulfonyl imide salt and the electrolyte solution preparation solvent to volatilize a production solvent for the fluorosulfonyl imide salt. In general formula (1), Rrepresents a fluorine atom or a fluorinated alkyl group having 1 to 6 carbon atoms, Rrepresents an alkali metal ion.