THICKENER FOR EXCAVATING SLURRY, EXCAVATING SLURRY USING THE THICKENER, AND CAST-INPLACE UNDERGROUND PILE WORK METHOD AND UNDERGROUND CONTINUOUS WALL WORK METHOD USING THE EXCAVATING SLURRY

WIPO Patent Application WO/2002/088273

A1

A thickener for excavating slurry having excellent anti-cement staining, hard to be rotted, and suppressing a foamability causing an operational problem, an excavating slurry using the thickener, and cast-inplace underground pile work method and underground continuous wall work method using the excavating slurry, the thickener for excavating slurry comprising alkali thickening emulsion, the excavating slurry comprising the thickener for excavating slurry providing the apparent specific gravity of 1.05 g/ml or more when measured immediately after strong stirring and the apparent specific gravity of 1.10 g/ml or more when measured 10 minutes after the strong stirring in a strongly stirring foaming test for a material obtained by adding alkali substance to the thickener.

KONO KATSUYUKI (JP)
MOTOYAMA ATSUSHI (JP)
NAKAMOTO KEIICHI (JP)
OOI JINICHI (JP)
KIMURA MAKOTO (JP)
ABE KATSUHISA (JP)
HARADA EIKICHI (JP)

PCT/JP2002/004167

November 07, 2002

April 25, 2002

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NIPPON CATALYTIC CHEM IND (JP)
KONO KATSUYUKI (JP)
MOTOYAMA ATSUSHI (JP)
NAKAMOTO KEIICHI (JP)
OOI JINICHI (JP)
KIMURA MAKOTO (JP)
ABE KATSUHISA (JP)
HARADA EIKICHI (JP)

C08F220/06; C09K8/04; E02D5/18; E02D5/20; E02D17/18; E02D5/34; E02D17/20; (IPC1-7): C09K7/02; E02D5/18; E02D5/20; E02D5/34

EP0979856A1	2000-02-16
JP2001081448A	2001-03-27
JP2000212552A	2000-08-02
JPS58104981A	1983-06-22

See also references of EP 1382657A4

Oguri, Shohei (ARK Mori Building 12-32 Akasaka 1-chome Minato-ku, Tokyo, JP)

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