US Patent Issued to ARKEMA FRANCE on Sept. 2 for "Process for preparing bis(fluorosulfonyl) imide" (French Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,175, issued on Sept. 2, was assigned to ARKEMA FRANCE (Colombes, France).

"Process for preparing bis(fluorosulfonyl) imide" was invented by Dominique Deur-Bert (Pierre-Benite, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a process for preparing bis(fluorosulfonyl)imide, comprising the steps of: i) providing a stream A1 containing HF and a reactor containing a liquid phase A2 that contains bis(chlorosulfonyl)imide; ii) in said reactor, bringing said liquid phase A2 into contact with said stream A1 to produce bis(fluorosulfonyl)imide, said process being characterized in that said stream A1 is injected into said liquid...