Global Patent Index - EP 1805374 B1

EP 1805374 B1 20100519 - METHOD FOR DE-WATERING A SLURRY

Title (en)

METHOD FOR DE-WATERING A SLURRY

Title (de)

VERFAHREN ZUR ENTWÄSSERUNG EINER AUFSCHLÄMMUNG

Title (fr)

PROCEDE DE DESHYDRATATION D'UN COULIS

Publication

EP 1805374 B1 20100519 (EN)

Application

EP 05776352 A 20050824

Priority

  • EP 2005009112 W 20050824
  • GB 0421841 A 20041001

Abstract (en)

[origin: WO2006037403A1] A method of de-watering a slurry mixture produced from a jet grouting operation, comprising the addition to the mixture of an anionic polyacrylamide in such manner that it is uniformly distributed therein, the anionic polyacrylamide having a high molecular weight and a low-medium charge density. Dewatering is achieved readily and economically.

IPC 8 full level

E02D 3/12 (2006.01)

CPC (source: EP)

E02D 3/12 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2006037403 A1 20060413; AT E468439 T1 20100615; AU 2005291642 A1 20060413; AU 2005291642 B2 20091001; CN 101035951 A 20070912; CN 101035951 B 20100526; DE 602005021386 D1 20100701; EP 1805374 A1 20070711; EP 1805374 B1 20100519; ES 2345990 T3 20101007; GB 0421841 D0 20041103; JP 2008514411 A 20080508; NO 20072228 L 20070702

DOCDB simple family (application)

EP 2005009112 W 20050824; AT 05776352 T 20050824; AU 2005291642 A 20050824; CN 200580033506 A 20050824; DE 602005021386 T 20050824; EP 05776352 A 20050824; ES 05776352 T 20050824; GB 0421841 A 20041001; JP 2007533888 A 20050824; NO 20072228 A 20070427