EP 0051056 B1 19850306 - TREATMENT OF COAL TAR
Title (en)
TREATMENT OF COAL TAR
Publication
Application
Priority
CA 363232 A 19801024
Abstract (en)
[origin: EP0051056A1] A process for the treatment of coal tar comprising thoroughly mixing the coal tar with a surface-active composition chosen from the class of compounds having the general formula CH3 (CH2)X CH2 (OCH2CH2)Y OSO3<->, M<+> in which X ranges from 6,5 to 13 and Y is at least 1,5, followed by a separation of water and quinoline insoluble components from the mixture, and a method of eliminating or minimizing the build-up of coal tar derived deposits on surfaces in contact with the coal tar.
IPC 1-7
IPC 8 full level
C10C 1/00 (2006.01); C10C 1/02 (2006.01); C10C 1/08 (2006.01)
CPC (source: EP)
C10C 1/02 (2013.01)
Designated contracting state (EPC)
BE DE FR GB IT NL SE
DOCDB simple family (publication)
EP 0051056 A1 19820505; EP 0051056 B1 19850306; AU 546514 B2 19850905; AU 7666181 A 19820429; CA 1138801 A 19830104; DE 3169195 D1 19850411; ES 506517 A0 19820816; ES 8205849 A1 19820816; JP H0119439 B2 19890411; JP S57177088 A 19821030; ZA 817226 B 19820929
DOCDB simple family (application)
EP 81850196 A 19811023; AU 7666181 A 19811020; CA 363232 A 19801024; DE 3169195 T 19811023; ES 506517 A 19811023; JP 16938981 A 19811022; ZA 817226 A 19811019