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:
Aug. 09, 2022
Filed:
Nov. 22, 2018
Applicant:
Lotte Chemical Corporation, Seoul, KR;
Inventors:
Assignee:
LOTTE CHEMICAL CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/08 (2006.01); B01D 69/02 (2006.01); B01D 71/34 (2006.01);
U.S. Cl.
CPC ...
B01D 69/087 (2013.01); B01D 69/02 (2013.01); B01D 71/34 (2013.01); B01D 2325/023 (2013.01); B01D 2325/20 (2013.01); B01D 2325/24 (2013.01); B01D 2325/36 (2013.01); B01D 2325/38 (2013.01);
Abstract
A hollow fiber membrane of the present invention is a hollow fiber membrane having an outer surface and an inner surface, wherein the inner surface has a zebra stripe pattern in which dense portions and porous portions are alternately formed in the longitudinal direction, and the outer surface has a maximum pore size of about 1 μm or less (≤about 1 μm), and wherein the hollow fiber membrane has a water permeability (flux) of ≥about 1,300 LMH/bar to ≤about 5,000 LMH/bar.