EP 0541018 B1 19960103 - Oil demulsifier
Title (en)
Oil demulsifier
Title (de)
Erdölemulsionsspalter
Title (fr)
Démulsifiant de pétrole
Publication
Application
Priority
DE 4136661 A 19911107
Abstract (en)
[origin: EP0541018A2] Crude oil deemulsifiers based on alkoxylated polyethyleneimines are obtained by reacting polyethyleneimine having a molecular weight from 2500 to 35,000 with in each case 5 to 40 mol of propylene oxide and ethylene oxide per ethyleneimine unit in the polyethyleneimine and are used for deemulsifying crude oil emulsions at 10 DEG C to 130 DEG C.
IPC 1-7
IPC 8 full level
B01D 17/05 (2006.01); C08G 73/02 (2006.01); C08G 73/04 (2006.01); C09K 3/32 (2006.01); C10G 33/04 (2006.01); C10L 1/32 (2006.01)
CPC (source: EP US)
C10G 33/04 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0541018 A2 19930512; EP 0541018 A3 19930908; EP 0541018 B1 19960103; CA 2082287 A1 19930508; DE 4136661 A1 19930513; DE 59204911 D1 19960215; JP H05305204 A 19931119; NO 303987 B1 19981005; NO 924294 D0 19921106; NO 924294 L 19930510; US 5445765 A 19950829
DOCDB simple family (application)
EP 92118674 A 19921031; CA 2082287 A 19921106; DE 4136661 A 19911107; DE 59204911 T 19921031; JP 29702392 A 19921106; NO 924294 A 19921106; US 97120192 A 19921104