Purifying agent for purifying soil or ground water, process...

Details Purifying agent for purifying soil or ground water, process... Purifying agent for purifying soil or ground water, process...

2008-04-01

2008-04-01

Metzmaier, Daniel S (Department: 1796)

Compositions

Water-softening or purifying or scale-inhibiting agents

Deoxidant or free-metal containing

C252S176000, C516S078000, C588S405000, C588S406000

Reexamination Certificate

active

10998194

ABSTRACT:
A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising α-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 μm, an S content of 3500 to 10000 ppm and an Al content of 0.10 to 1.50% by weight, and polyaspartic acid or a salt thereof. The purifying agent is capable of decomposing aliphatic organohalogen compounds or aromatic organohalogen compounds contained in the soil or ground water in an efficient, continuous and economical manner.

REFERENCES:
patent: 5284512 (1994-02-01), Koskan et al.
patent: 6271168 (2001-08-01), Imai et al.
patent: 6276287 (2001-08-01), Imai et al.
patent: 6459012 (2002-10-01), Imai et al.
patent: 6596190 (2003-07-01), Igawa et al.
patent: 6663840 (2003-12-01), Imai et al.
patent: 6800587 (2004-10-01), Imai et al.
patent: 7022256 (2006-04-01), Uegami et al.
patent: 7220366 (2007-05-01), Uegami et al.
patent: 2003/0039857 (2003-02-01), Zhang et al.
patent: 2003/0217974 (2003-11-01), Uegami et al.
patent: 2004/0226404 (2004-11-01), Ozaki et al.
patent: 2006/0070958 (2006-04-01), Kakuya et al.
patent: 2006/0081811 (2006-04-01), Matsui et al.
patent: 2006/0113255 (2006-06-01), Kakuya et al.
patent: 2006/0151398 (2006-07-01), Uegami et al.
patent: 2006/0163172 (2006-07-01), Uegami et al.
patent: 0 821 054 (1998-01-01), None
patent: 1 151 807 (2001-11-01), None
patent: 1 318 103 (2003-06-01), None
patent: 1 486 463 (2004-12-01), None
patent: 10-071386 (1998-03-01), None
patent: 2001-198567 (2001-07-01), None
patent: WO 94/19409 (1994-09-01), None

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