Global Patent Index - EP 3797086 A1

EP 3797086 A1 20210331 - METHOD FOR PREPARING LITHIUM BIS(FLUOROSULPHONYL)IMIDE SALT

Title (en)

METHOD FOR PREPARING LITHIUM BIS(FLUOROSULPHONYL)IMIDE SALT

Title (de)

VERFAHREN ZUR HERSTELLUNG VON LITHIUMBIS(FLUORSULFONYL)IMIDSALZ

Title (fr)

PROCEDE DE PRÉPARATION DU SEL DE LITHIUM DU BIS(FLUOROSULFONYL)IMIDE

Publication

EP 3797086 A1 20210331 (FR)

Application

EP 19733854 A 20190521

Priority

  • FR 1854313 A 20180523
  • FR 2019051148 W 20190521

Abstract (en)

[origin: WO2019224470A1] The present invention concerns a method for preparing Cl-SO2NHSO2Cl comprising a step of chlorinating sulphamic acid with at least one chlorinating agent and at least one sulphur-containing agent, said method resulting in a flow F1, preferably liquid, comprising Cl-SO2NHSO2Cl and a gas stream F2 comprising HCl and SO2, said method comprising a step a) of treating the gas stream F2. The invention also concerns a method for preparing Li FSI comprising the abovementioned method for preparing Cl-SO2NHSO2Cl.

IPC 8 full level

C01B 21/086 (2006.01); B01D 53/14 (2006.01); B01D 53/50 (2006.01); B01D 53/68 (2006.01); C01B 21/093 (2006.01); H01M 10/052 (2010.01); H01M 10/054 (2010.01)

CPC (source: EP KR US)

B01D 47/02 (2013.01 - US); C01B 21/086 (2013.01 - EP KR); C01B 21/093 (2013.01 - EP KR US); H01M 10/052 (2013.01 - EP); H01M 10/0568 (2013.01 - EP); B01D 53/507 (2013.01 - EP KR); B01D 53/68 (2013.01 - EP KR); B01D 2251/106 (2013.01 - EP KR US); B01D 2251/108 (2013.01 - US); B01D 2251/502 (2013.01 - US); B01D 2251/506 (2013.01 - US); B01D 2257/2027 (2013.01 - EP KR); B01D 2257/80 (2013.01 - US); C01P 2006/40 (2013.01 - EP KR); H01M 10/052 (2013.01 - KR); H01M 10/0568 (2013.01 - KR); Y02E 60/10 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2019224470 A1 20191128; CN 112154121 A 20201229; EP 3797086 A1 20210331; FR 3081457 A1 20191129; FR 3081457 B1 20200508; JP 2021524429 A 20210913; KR 102707720 B1 20240919; KR 20210010470 A 20210127; US 11261087 B2 20220301; US 2021122634 A1 20210429

DOCDB simple family (application)

FR 2019051148 W 20190521; CN 201980034516 A 20190521; EP 19733854 A 20190521; FR 1854313 A 20180523; JP 2020564516 A 20190521; KR 20207033443 A 20190521; US 201917056781 A 20190521