EP 1359209 A2 20031105 - Compounds containing amide and carboxyl groups as asphaltene dispersants in crude oil
Title (en)
Compounds containing amide and carboxyl groups as asphaltene dispersants in crude oil
Title (de)
Amid- und Carboxylgruppen enthaltende Verbindungen als Asphaltendispergatoren in Rohöl
Title (fr)
Composés contenant des groupes amidiques et carboxyliques comme dispersants d'asphaltènes
Publication
Application
Priority
US 37487402 P 20020423
Abstract (en)
A composition comprising: (a) 0.001% to 20% of at least one compound having: (i) at least one carboxyl group; (ii) at least one amide group; and (iii) at least fifteen carbon atoms; and (b) crude oil; provided that the compound is not represented by formula (I) <CHEM> wherein R<1> and R<2> independently are hydrogen or C1-C22 alkyl and n is one or two.
IPC 1-7
IPC 8 full level
C10L 1/224 (2006.01); C10L 1/16 (2006.01); C10L 1/22 (2006.01)
CPC (source: EP)
C10L 1/224 (2013.01); C10L 1/1616 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1359209 A2 20031105; EP 1359209 A3 20041103; CA 2424904 A1 20031023; MX PA03003367 A 20050816; NO 20031603 D0 20030409; NO 20031603 L 20031024
DOCDB simple family (application)
EP 03252269 A 20030410; CA 2424904 A 20030409; MX PA03003367 A 20030415; NO 20031603 A 20030409