Global Patent Index - EP 3820981 A1

EP 3820981 A1 20210519 - PROCESS FOR PREPARING STABLE POLYMERS CONTAINING VINYLIMIDAZOLE

Title (en)

PROCESS FOR PREPARING STABLE POLYMERS CONTAINING VINYLIMIDAZOLE

Title (de)

VERFAHREN ZUR HERSTELLUNG STABILER VINYLIMIDAZOL-HALTIGER POLYMERE

Title (fr)

PROCÉDÉ DE PRODUCTION DE POLYMÈRES STABLES CONTENANT DU VINYLIMIDAZOLE

Publication

EP 3820981 A1 20210519 (DE)

Application

EP 19735565 A 20190703

Priority

  • EP 18182831 A 20180711
  • EP 2019067904 W 20190703

Abstract (en)

[origin: WO2020011627A1] The present invention relates to aqueous mixtures containing or consisting of water, polymer(s) (P) containing 1-vinylimidazole(s), and quaternary ammonium salts, and relates to the preparation and use of said mixtures.

IPC 8 full level

C11D 1/62 (2006.01); C11D 3/37 (2006.01); C11D 3/48 (2006.01)

CPC (source: EP US)

C08J 3/005 (2013.01 - US); C08K 5/19 (2013.01 - US); C08L 39/06 (2013.01 - US); C11D 1/62 (2013.01 - EP US); C11D 3/0021 (2013.01 - US); C11D 3/3776 (2013.01 - EP US); C11D 17/0008 (2013.01 - US); C11D 2111/12 (2024.01 - US)

Citation (search report)

See references of WO 2020011627A1

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 2020011627 A1 20200116; CN 112384602 A 20210219; EP 3820981 A1 20210519; US 2021269630 A1 20210902

DOCDB simple family (application)

EP 2019067904 W 20190703; CN 201980046012 A 20190703; EP 19735565 A 20190703; US 201917258645 A 20190703