Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1992-10-02
1993-06-22
Dawson, Robert A.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210652, 210653, 210654, 210 0038, 210490, 210644, 210650, 424 11, 424 9, 424 5, 514 8, 564153, B01D 6100
Patent
active
052214850
ABSTRACT:
The use of reverse osmosis as an alternative or substitute method for the purification of a crude diagnostic agent. X-ray contrast agent, magnetic resonance imaging agent, or radiopharmaceuticals are purified by passing through a cross-linked reverse osmosis membrane.
REFERENCES:
patent: 4277344 (1981-07-01), Cadotte
patent: 4385046 (1983-05-01), Milbrath et al.
patent: 5019371 (1991-05-01), Lin et al.
patent: 5160437 (1992-11-01), Bosworth et al.
Bosworth Mark E.
Dunn Thomas J.
Hall Warren E.
Johnson Richard G.
Kneller Mills T.
Dawson Robert A.
Fortuna Ana M.
Mallinckrodt Medical Inc.
Vacca Rita D.
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