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:
Dec. 05, 2017
Filed:
Jun. 05, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Young-Hoon Ko, Daejeon, KR;
Jae-Hong Kim, Daejeon, KR;
Keun-Won Song, Daejeon, KR;
Chong-Kyu Shin, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 71/56 (2006.01); B01D 69/02 (2006.01); B01D 67/00 (2006.01); B01D 69/12 (2006.01); B01D 69/14 (2006.01);
U.S. Cl.
CPC ...
B01D 71/56 (2013.01); B01D 67/0006 (2013.01); B01D 69/02 (2013.01); B01D 69/125 (2013.01); B01D 69/141 (2013.01); B01D 2325/28 (2013.01); B01D 2325/30 (2013.01);
Abstract
The present disclosure relates to a water-treatment separation membrane including: a porous support and a polyamide layer formed on the porous support, wherein the polyamide layer contains an antioxidant having a solubility parameter value of 9 (J/cm)to 22 (J/cm), and a method of manufacturing the same.