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:
May. 23, 2023
Filed:
Oct. 26, 2017
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuki Miki, Tokyo, JP;
Daisuke Okamura, Tokyo, JP;
Assignee:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/02 (2006.01); B01D 69/14 (2006.01); B01D 69/08 (2006.01); B01D 67/00 (2006.01); B01D 71/34 (2006.01); B01D 71/02 (2006.01); C08J 9/26 (2006.01);
U.S. Cl.
CPC ...
B01D 69/02 (2013.01); B01D 67/0016 (2013.01); B01D 67/0079 (2013.01); B01D 69/081 (2013.01); B01D 69/087 (2013.01); B01D 69/148 (2013.01); B01D 71/027 (2013.01); B01D 71/34 (2013.01); C08J 9/26 (2013.01); B01D 2325/02 (2013.01); B01D 2325/04 (2013.01); C08J 2327/16 (2013.01);
Abstract
Provided is a porous hollow fiber membrane made of a thermoplastic resin, wherein a membrane thickness is 0.050 mm or larger and 0.25 mm or smaller, and when a strength coefficient is defined as K=(compressive strength)/((membrane thickness)/(inside diameter/2)), K=1.7 or more.