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:
Nov. 17, 1992
Filed:
Jan. 28, 1991
Applicant:
Inventors:
Assignee:
Terumo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
2105001 ; 210496 ; 21050021 ; 21050042 ;
Abstract
A leukocyte separator for trapping and separating leukocytes from blood is made of a porous material having a bubble point ranging from 0.08 to 0.3 kg/cm.sup.2 and a thickness of at least 0.30 mm. The leukocyte separator is manufactured by pressing a porous material having a bubble point smaller than 0.13 kg/cm.sup.2 to produce a porous material having a thickness of at least 0.3 mm and a bubble point ranging from 0.13 to 0.3 kg/cm.sup.2.