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:
Apr. 19, 2016
Filed:
Mar. 28, 2013
Applicant:
Kolon Industries, Inc., Gyeonggi-do, Gwacheon-si, KR;
Inventors:
Assignee:
KOLON INDUSTRIES, INC., Gwacheon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/00 (2006.01); B01D 39/14 (2006.01); B01D 71/26 (2006.01); B01D 71/34 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 69/08 (2006.01); B01D 69/14 (2006.01); B01D 71/02 (2006.01); B01D 63/06 (2006.01);
U.S. Cl.
CPC ...
B01D 71/34 (2013.01); B01D 63/06 (2013.01); B01D 67/0016 (2013.01); B01D 67/0079 (2013.01); B01D 69/02 (2013.01); B01D 69/087 (2013.01); B01D 69/148 (2013.01); B01D 71/028 (2013.01); B01D 2325/02 (2013.01); B01D 2325/20 (2013.01); B01D 2325/24 (2013.01);
Abstract
Disclosed are a porous membrane having improved water permeability and elongation at break as well as high mechanical strength and impurity rejection rate and a method for manufacturing the same. The porous membrane of the present invention comprises a symmetric bead structure comprising a plurality of spherical crystallites. Each of the plurality of spherical crystallites comprises a plurality of sub-spherical crystallites.