EP 0562914 A1 19930929 - Washing method of solid particles using a solution containing sophorosides.
Title (en)
Washing method of solid particles using a solution containing sophorosides.
Title (de)
Verfahren zum Waschen fester Teilchen mit einer Sophoroside enthaltenden Lösung.
Title (fr)
Procédé de lavage de particules solides comportant une solution de sophorosides.
Publication
Application
Priority
FR 9203787 A 19920326
Abstract (en)
The invention relates to a process for cleaning solid particles impregnated with hydrocarbons. The process uses a solution containing sophorosides. The process is particularly intended for washing drilling debris impregnated with a drilling fluid containing hydrocarbons.
Abstract (fr)
L'invention concerne un procédé de nettoyage de particules solides imprégnées par des hydrocarbures. Le procédé met en oeuvre une solution comportant des sophorosides. Le procédé est particulièrement destiné au lavage des déblais de forage imprégnés par un fluide de forage contenant des hydrocarbures.
IPC 1-7
IPC 8 full level
B01F 17/56 (2006.01); C09K 23/56 (2022.01); C11D 1/66 (2006.01)
CPC (source: EP US)
C11D 1/662 (2013.01 - EP US)
Citation (search report)
- [A] US 4216311 A 19800805 - INOUE SHIGEO [JP], et al
- [AP] EP 0499434 A1 19920819 - UNILEVER PLC [GB], et al
Designated contracting state (EPC)
DE GB IT NL
DOCDB simple family (publication)
EP 0562914 A1 19930929; EP 0562914 B1 19960320; DE 69301849 D1 19960425; DE 69301849 T2 19960801; FR 2689138 A1 19931001; FR 2689138 B1 19940520; NO 302421 B1 19980302; NO 931088 D0 19930324; NO 931088 L 19930927; US 5326407 A 19940705
DOCDB simple family (application)
EP 93400673 A 19930315; DE 69301849 T 19930315; FR 9203787 A 19920326; NO 931088 A 19930324; US 3738293 A 19930326