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:
Nov. 06, 2018
Filed:
Dec. 03, 2014
Applicant:
Rhodia Operations, Paris, FR;
Inventor:
Olivier Buisine, Saint Genis-Laval, FR;
Assignee:
RHODIA OPERATIONS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0568 (2010.01); C01B 21/093 (2006.01); C01B 21/086 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0568 (2013.01); C01B 21/086 (2013.01); C01B 21/093 (2013.01); C01B 21/0935 (2013.01); H01M 2300/0025 (2013.01);
Abstract
The invention relates to a method for preparing bis(fluorosulfonyl)imide acid, comprising: the reaction of sulphamic acid or one of the salts thereof with a halogenosulfuric acid and at least one fluorinating agent selected from SOF, F—SO—F and SF, and the subsequent recovery of bis(fluorosulfonyl)imide acid. The invention also relates to a method for producing salts of bis(fluorosulfonyl)imide from the bis(fluorosulfonyl)imide acid thus produced.