Method for preparing lithium bis(fluorosulphonyl)imide salt

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United States of America

PATENT NO 11261087
APP PUB NO 20210122634A1
SERIAL NO

17056781

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Abstract

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A method for preparing Cl—SO2NHSO2Cl 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—SO2NHSO2Cl and a gas stream F2 including HCl and SO2, 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—SO2NHSO2Cl.

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Patent Owner(s)

  • ARKEMA FRANCE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deur-Bert, Dominique Pierre-Benite, FR 87 778
Leduc, Philippe Pierre-Benite, FR 15 59

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