Global Patent Index - EP 3580202 A1

EP 3580202 A1 20191218 - METHOD FOR PREPARING POLYTHIOLS

Title (en)

METHOD FOR PREPARING POLYTHIOLS

Title (de)

VERFAHREN ZUR HERSTELLUNG VON POLYTHIOLEN

Title (fr)

PROCÉDÉ DE PRÉPARATION DE POLYTHIOLS

Publication

EP 3580202 A1 20191218 (FR)

Application

EP 18707088 A 20180206

Priority

  • FR 1751160 A 20170213
  • FR 2018050295 W 20180206

Abstract (en)

[origin: WO2018146415A1] The present invention relates to the method for preparing polythiols comprising the preparation of a sulphydration reaction medium, simultaneously conducting the radical sulphydration reaction of said at least one polyene and the acid catalytic sulphydration reaction of said at least one polyene, and the recovery of a mixture comprising at least two polythiols. The present invention likewise relates to the mixture of polythiols obtained according to said method, as well as to the use of said mixture of polythiols.

IPC 8 full level

C07C 319/04 (2006.01); C07C 321/04 (2006.01)

CPC (source: EP KR US)

C07C 319/04 (2013.01 - EP KR US); C07C 321/04 (2013.01 - KR)

C-Set (source: EP US)

C07C 319/04 + C07C 321/04

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 2018146415 A1 20180816; CN 110461816 A 20191115; EP 3580202 A1 20191218; FR 3062852 A1 20180817; FR 3062852 B1 20210507; JP 2020506191 A 20200227; JP 6930064 B2 20210901; KR 102499208 B1 20230210; KR 20190119037 A 20191021; MY 189781 A 20220307; SG 11201906990W A 20190827; US 11999682 B2 20240604; US 2020010412 A1 20200109

DOCDB simple family (application)

FR 2018050295 W 20180206; CN 201880011436 A 20180206; EP 18707088 A 20180206; FR 1751160 A 20170213; JP 2019541450 A 20180206; KR 20197022582 A 20180206; MY PI2019004586 A 20180206; SG 11201906990W A 20180206; US 201816483298 A 20180206