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:
Mar. 01, 2022
Filed:
May. 21, 2019
Applicant:
Arkema France, Colombes, FR;
Inventors:
Philippe Leduc, Pierre-Benite, FR;
Dominique Deur-Bert, Pierre-Benite, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/093 (2006.01); B01D 47/02 (2006.01);
U.S. Cl.
CPC ...
C01B 21/093 (2013.01); B01D 47/02 (2013.01); B01D 2251/106 (2013.01); B01D 2251/108 (2013.01); B01D 2251/502 (2013.01); B01D 2251/506 (2013.01); B01D 2257/80 (2013.01);
Abstract
A method for preparing Cl—SONHSOCl including a step of chlorinating sulphamic acid with at least one chlorinating agent and at least one sulphur-containing agent, the method resulting in a flow F1, preferably liquid, including Cl—SONHSOCl and a gas stream F2 including HCl and SO, the method including a step a) of treating the gas stream F2. Also, a method for preparing LiFSl including the abovementioned method for preparing Cl—SONHSOCl.