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:
Jun. 27, 2017
Filed:
Mar. 28, 2013
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Masahiro Osabe, Otsu, JP;
Tatsuya Kishikawa, Otsu, JP;
Yoshiyuki Ueno, Otsu, JP;
Masaaki Shimagaki, Urayasu, JP;
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 69/02 (2006.01); B01D 69/08 (2006.01); B01D 71/68 (2006.01);
U.S. Cl.
CPC ...
B01D 71/68 (2013.01); B01D 69/02 (2013.01); B01D 69/08 (2013.01); B01D 69/087 (2013.01); B01D 2325/02 (2013.01); B01D 2325/36 (2013.01); B01D 2325/38 (2013.01);
Abstract
A polysulfone-based hollow fiber membrane that purifies blood preparations, including a hydrophilic polymer on a surface thereof which contacts the blood preparation, wherein an abundance ratio of the hydrophilic polymer is from 40 to 60% by mass, and porosity at the surface is 8 to 30%.