The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 1991
Filed:
Jun. 29, 1990
Applicant:
Inventors:
Stephan D Glenn, Davie, FL (US);
Edward O'Connell, Miami, FL (US);
Paulette Smariga, Miami Lakes, FL (US);
Gregory Butchko, Miami Lakes, FL (US);
Assignee:
Coulter Corporation, Hialeah, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210641 ; 210651 ; 210655 ; 210 3264 ; 210335 ; 210446 ; 21050029 ; 210506 ; 422-1 ; 422101 ; 435311 ; 935 19 ;
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 viruses, as modeled by type-C Xenotropic retrovirus, with an efficiency of at least 4.6.times.10.sup.5 ; remove DNA from levels of 10 .mu.g/sample to levels below 10 picograms per 500 mg sample of monoclonal antibody; and will remove at least 97% of some bacterial endotoxins.