EP 1357171 A3 20040317 - Carbonyl, thiocarbonyl or imine containing compounds as asphaltene dispersants in crude oil
Title (en)
Carbonyl, thiocarbonyl or imine containing compounds as asphaltene dispersants in crude oil
Title (de)
Carbonyl, Thiocarbonyl oder Imin enthaltende Verbindungen , als Asphaltendispergiermittel in Rohöl
Title (fr)
Composés contenant un carbonyle, thiocarbonyle ou une imine comme dirpersants d'asphaltène dans du pétrole brut
Publication
Application
Priority
US 37487302 P 20020423
Abstract (en)
[origin: EP1357171A2] A composition comprising: (a) 0.001% to 20% of at least one compound having: (i) at least one carbonyl-, thiocarbonyl- or imine-containing functional group which is not a carboxyl group; (ii) at least one polar group two to ten chemical bonds from a carbonyl, thiocarbonyl or imine carbon; and (iii) at least ten carbon atoms; and (b) crude oil.
IPC 1-7
IPC 8 full level
C10L 1/222 (2006.01); C10L 1/224 (2006.01); C10L 1/228 (2006.01); C10L 1/24 (2006.01)
CPC (source: EP)
C10L 1/2225 (2013.01); C10L 1/224 (2013.01); C10L 1/2283 (2013.01); C10L 1/2425 (2013.01)
Citation (search report)
- [X] WO 0155281 A1 20010802 - BAKER HUGHES INC [US]
- [X] US 6344431 B1 20020205 - VON TAPAVICZA STEPHAN [DE], et al
- [X] US 5690174 A 19971125 - CHAPMAN RICHARD GEORGE [GB], et al
- [X] US 5169411 A 19921208 - WEERS JERRY J [US]
- [X] US 4746328 A 19880524 - SAKAMOTO NAOYUKI [JP], et al
- [DX] WO 9520637 A2 19950803 - MEG S N C DI SCOPELLITI SOFIA [IT], et al
- [E] EP 1357172 A2 20031029 - ROHM & HAAS [US]
- [E] EP 1359208 A2 20031105 - ROHM & HAAS [US]
- [E] EP 1359209 A2 20031105 - ROHM & HAAS [US]
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 1357171 A2 20031029; EP 1357171 A3 20040317; CA 2424811 A1 20031023; CA 2424811 C 20080805; MX PA03003365 A 20050816; NO 20031601 D0 20030409; NO 20031601 L 20031024; NO 324702 B1 20071203
DOCDB simple family (application)
EP 03252270 A 20030410; CA 2424811 A 20030409; MX PA03003365 A 20030415; NO 20031601 A 20030409