EP 1359208 A3 20041103 - Amine-acid reaction products as asphaltene dispersants in crude oil
Title (en)
Amine-acid reaction products as asphaltene dispersants in crude oil
Title (de)
Reaktionsprodukte aus Aminen und Säuren als Asphaltendispergatoren in Rohöl
Title (fr)
Produits de la réaction entre des amines et des acides comme dispersants d'asphalthènes
Publication
Application
Priority
US 37487502 P 20020423
Abstract (en)
[origin: EP1359208A2] A composition useful for dispersing asphaltenes in crude oil comprising: (a) 0.001% to 0.2% of at least one reaction product of: (i) an amine; and (ii) a carboxylic, phosphonic or sulfonic acid; and (b) crude oil.
IPC 1-7
IPC 8 full level
C10L 1/22 (2006.01); C10L 1/222 (2006.01); C10L 1/224 (2006.01); C10L 1/24 (2006.01); C10L 1/26 (2006.01); C10L 1/16 (2006.01)
CPC (source: EP)
C10L 1/221 (2013.01); C10L 1/2222 (2013.01); C10L 1/2225 (2013.01); C10L 1/224 (2013.01); C10L 1/2493 (2013.01); C10L 1/2691 (2013.01); C10L 1/1608 (2013.01); C10L 1/1616 (2013.01)
Citation (search report)
- [X] WO 9520637 A2 19950803 - MEG S N C DI SCOPELLITI SOFIA [IT], et al
- [X] FR 2679151 A1 19930122 - ELF AQUITAINE [FR], et al
- [X] US 3224957 A 19651221 - KENT EUGENE A
- [X] US 5851429 A 19981222 - MAGYAR JAMES STEVEN [US]
- [X] WO 9101970 A2 19910221 - STEPAN CO [US], et al
- [X] EP 0191952 A1 19860827 - HOECHST AG [DE]
- [X] US 4874535 A 19891017 - CALLAGHAN IAN C [GB], et al
- [X] US 3861466 A 19750121 - GALE WALTER W
- [X] WO 9313294 A1 19930708 - HENKEL KGAA [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1359208 A2 20031105; EP 1359208 A3 20041103; CA 2424903 A1 20031023; MX PA03003370 A 20050816; NO 20031605 D0 20030409; NO 20031605 L 20031024
DOCDB simple family (application)
EP 03252268 A 20030410; CA 2424903 A 20030409; MX PA03003370 A 20030415; NO 20031605 A 20030409