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:
Jul. 08, 2025
Filed:
Apr. 19, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 65/10 (2006.01); B01D 69/10 (2006.01); B01D 69/12 (2006.01); B01D 71/56 (2006.01); G01N 1/28 (2006.01); G01N 23/20091 (2018.01);
U.S. Cl.
CPC ...
B01D 65/10 (2013.01); B01D 69/1071 (2022.08); B01D 69/1251 (2022.08); B01D 71/56 (2013.01); G01N 1/2813 (2013.01); G01N 23/20091 (2013.01); B01D 2325/04 (2013.01); G01N 2223/633 (2013.01);
Abstract
Provided are a method for quantifying an amine compound forming a membrane active layer before preparing the membrane active layer, a method for quantifying a polyamide or an unreacted amine compound in a membrane active layer, and a method for determining criteria for a manufacturing condition of a membrane active layer or a method for setting a manufacturing condition.