Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1991-11-04
1993-06-22
Dawson, Robert A.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
21032164, 210335, 210446, 21050029, 210506, 210651, 210655, 422 1, 422101, 435311, 935 19, B01D 2500, B01D 6308, B01D 7110
Patent
active
052214834
ABSTRACT:
A single filtration device containing coated filter membranes and absolute pore filters is provided in which the membranes and absolute pore filters are present in two sections of the filter device. The filter device will remove up to about 98% of the endotoxins in addition to removing viruses with an efficiency of at least 4.6.times.10.sup.5 and DNA to less than 10 picograms per 500 mg sample.
REFERENCES:
patent: 4168300 (1979-09-01), Anderson et al.
patent: 4420398 (1983-12-01), Castino
patent: 4431545 (1984-02-01), Pall et al.
patent: 4473474 (1984-09-01), Ostreicher et al.
patent: 4869826 (1989-09-01), Wang et al.
patent: 4935142 (1990-06-01), Sternberg
patent: 5076933 (1991-12-01), Glenn et al.
A. Issekutz, Journal of Immunological Methods, 61, pp. 275-280 (1983).
H. Borg et al., J. Physiol. Pharmacol., vol. 59, pp. 890-892 (1981).
Schleicher & Schuell Product Information Sheet No. 364.
G. Sofer, "Chromatographic Removal of P-rogens", Biotechnology, Dec., 1984, pp. 1035 et seq.
Gerba et al., "Applied & Environmental Microbiology"; 50: 1375-1377 (1985).
S. Minobe et al., J. Chromatography, 248: 401-408 (1982).
Butchko Gregory
Glenn Stephan D.
O'Connell Edward
Smariga Paulette
Cass Myron C.
Coulter Corporation
Dawson Robert A.
Kim Sun Uk
LandOfFree
Process and apparatus for removal of DNA, viruses and endotoxins does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process and apparatus for removal of DNA, viruses and endotoxins, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process and apparatus for removal of DNA, viruses and endotoxins will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1439675