EP 3894518 A1 20211020 - POLYESTER DEMULSIFIER
Title (en)
POLYESTER DEMULSIFIER
Title (de)
POLYESTERDEMULGATOR
Title (fr)
DÉSÉMULSIFIANT DE POLYESTER
Publication
Application
Priority
- US 201862777903 P 20181211
- EP 19152550 A 20190118
- EP 2019084757 W 20191211
Abstract (en)
[origin: WO2020120630A1] A demulsifier includes the reaction product of a) a combination of a monoglyceride and polyethylene glycol (PEG), b) an acid having at least two carboxyl groups, a full or partial ester thereof, an anhydride thereof and combinations thereof, and c) optionally, a fatty acid, a fatty alcohol and combinations thereof. A method of demulsifying a water-in-oil or oil-in-water emulsion includes adding the demulsifier to the emulsion and separating the emulsion into an oil phase and a water phase.
IPC 8 full level
C10G 33/04 (2006.01); B01D 17/04 (2006.01); C08G 63/78 (2006.01); C08G 65/00 (2006.01)
CPC (source: EP)
B01D 17/04 (2013.01); B01D 17/047 (2013.01); C08G 63/668 (2013.01); C08G 65/3322 (2013.01); C10G 33/04 (2013.01)
Citation (search report)
See references of WO 2020120630A1
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 2020120630 A1 20200618; AU 2019395820 A1 20210701; AU 2019395820 B2 20230413; BR 112021011358 A2 20210831; CA 3122651 A1 20200618; CA 3122651 C 20230718; EP 3894518 A1 20211020
DOCDB simple family (application)
EP 2019084757 W 20191211; AU 2019395820 A 20191211; BR 112021011358 A 20191211; CA 3122651 A 20191211; EP 19813917 A 20191211