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:
Mar. 07, 2017
Filed:
Oct. 21, 2011
Applicants:
Ikuhiro Suzuki, Takasago, JP;
Hiroshi Tone, Takasago, JP;
Masaru Nakatani, Takasago, JP;
Inventors:
Assignee:
KANEKA CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/00 (2006.01); A61M 1/36 (2006.01);
U.S. Cl.
CPC ...
A61M 1/36 (2013.01); A61M 1/3633 (2013.01); B01D 2239/125 (2013.01); B01D 2239/1233 (2013.01);
Abstract
The present invention aims to provide a leukocyte depletion filter that has both higher leukocyte removal performance and higher blood permeability than conventional filters. The leukocyte depletion filter according to the present invention includes a filter material having an average fiber diameter of 0.30 to 1.60 μm and a coefficient of variation of fiber diameter of at least 0.40 but not more than 1.20.