Liquid purification or separation – Processes – Using magnetic force
Reexamination Certificate
2008-01-03
2011-11-29
Soohoo, Tony G (Department: 1777)
Liquid purification or separation
Processes
Using magnetic force
C210S684000, C210S729000, C204S554000, C204S557000, C209S008000, C209S214000, C209S215000, C423S419100
Reexamination Certificate
active
08066885
ABSTRACT:
A process for the beneficiation of carbonate mineral substrates by magnetic separation is defined herein wherein a phosphorus or nitrogen containing organic compound or reagent and a plurality of magnetic particles are intermixed with a carbonate containing mineral substrate, a magnetic field is applied to the mixture and a value mineral is thereby separated from a non-value mineral.
REFERENCES:
patent: 2297440 (1942-09-01), Szucs
patent: 3627678 (1971-12-01), Marston et al.
patent: 3914385 (1975-10-01), Slade
patent: 3929627 (1975-12-01), Frangiskos et al.
patent: 3980240 (1976-09-01), Nott
patent: 3990642 (1976-11-01), Nott
patent: 4078004 (1978-03-01), Schlaefer et al.
patent: 4094804 (1978-06-01), Shimoiizaka
patent: 4125460 (1978-11-01), Nott et al.
patent: 4356098 (1982-10-01), Chagnon
patent: 4406865 (1983-09-01), Fuller
patent: 4629556 (1986-12-01), Yoon et al.
patent: 4643822 (1987-02-01), Parsonage
patent: 4834898 (1989-05-01), Hwang
patent: 4871466 (1989-10-01), Wang et al.
patent: 4906382 (1990-03-01), Hwang
patent: 4929343 (1990-05-01), Wang et al.
patent: 4995965 (1991-02-01), Mehaffey et al.
patent: 5328880 (1994-07-01), Lampert et al.
patent: 5720873 (1998-02-01), Klingberg et al.
patent: 5957298 (1999-09-01), Buske et al.
patent: 5961055 (1999-10-01), Lehtinen
patent: 6143065 (2000-11-01), Freeman et al.
patent: 6269952 (2001-08-01), Watt et al.
patent: 7393462 (2008-07-01), Gorken et al.
patent: 0522856 (1994-09-01), None
patent: 1519528 (1976-04-01), None
patent: 2007 014821 (2007-01-01), None
patent: WO/00/51941 (2000-09-01), None
patent: 02/066168 (2002-08-01), None
patent: WO/02/066168 (2002-08-01), None
International Search Report and Written Opinion of PCT/US2007/086498 mailed Jun. 26, 2008.
P. Tartaj et al., “The Preparation of Magnetic Nanoparticles for Applications in Biomedicine”, J. Phys. D: Appl. Phys. 36, (2003) R182-R197.
Ravishankar Santhanjheri A.
Villegas Josanlet C.
Wang Bing
Bell Charles E.
Cytec Technology Corp.
Galletta Elizabeth A.
Mellon David C
Soohoo Tony G
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