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:
Aug. 18, 1998
Filed:
Mar. 04, 1997
Applicant:
Inventors:
Neng S Ung-Chhun, Lincolnshire, IL (US);
Richard J Johnson, Mundelein, IL (US);
Assignee:
Baxter International Inc., Deerfield, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210645 ; 210503 ; 210504 ; 210505 ; 210506 ; 210508 ; 210767 ; 422101 ; 436177 ; 436178 ;
Abstract
Novel blood cell fractionation means utilizes conventional filters coated with high molecular weight polyethylene oxide derivatives crosslinked to prevent leaching from filter surfaces. These fractionation means have a special efficacy in binding white blood cells from whole blood while simultaneously allowing red cells and platelets to pass in the effluent phase.