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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.:

US 12350628 B1

PDFFull Text
Date of Patent:
Jul. 08, 2025

Filed:

Apr. 19, 2019

Method for quantifying amine compound constituting separator active layer prior to preparation of separator active layer, method for quantifying polyamide or unreacted amine compound in separator active layer, and method for setting preparation conditions of separator active layer or establishment standards for preparation conditions of separator active layer

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Bo Ri Lee, Daejeon, KR;

Kyeonghee Jang, Daejeon, KR;

Keun Won Song, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Bryan Cave Leighton Paisner LLP

Primary Examiner:

Katherine A Bareford

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.

Find Patent Forward Citations

Lee, Bo. (2025). Method for quantifying amine compound constituting separator active layer prior to preparation of separator active layer, method for quantifying polyamide or unreacted amine compound in separator active layer, and method for setting preparation conditions of separator active layer or establishment standards for preparation conditions of separator active layer (U.S. Patent No. 12350628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12350628

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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