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:
Oct. 10, 1995
Filed:
Nov. 08, 1993
Applicant:
Inventors:
Assignee:
Hemasure, Inc., Marlborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210645 ; 210490 ; 210505 ; 210508 ; 210767 ; 435-2 ; 435179 ; 435181 ; 436177 ; 436 53 ; 530385 ; 530412 ; 530814 ; 530816 ;
Abstract
A filter and a hollow-fiber or flat-sheet membrane for removing hemoglobin from whole blood or blood fractions are disclosed. The filter comprises a laid textile web which has been modified to attach a ligand for hemoglobin. The membrane comprises a polyethersulfone membrane that has been similarly modified. Methods for removing hemoglobin, cellular components and debris from blood are also disclosed.