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:
Oct. 25, 2022
Filed:
Jan. 03, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Min-Jeong Lee, Daejeon, KR;
Jong-Mo Jung, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/66 (2006.01); G01N 1/40 (2006.01); G01N 1/22 (2006.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01); G01N 30/02 (2006.01); B32B 27/32 (2006.01); H01M 50/40 (2021.01); H01M 50/409 (2021.01); H01M 50/411 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
G01N 30/66 (2013.01); B32B 27/32 (2013.01); G01N 1/2226 (2013.01); G01N 1/4055 (2013.01); H01M 10/4285 (2013.01); H01M 10/48 (2013.01); H01M 50/40 (2021.01); H01M 50/409 (2021.01); H01M 50/411 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01); G01N 2001/2229 (2013.01); G01N 2030/025 (2013.01);
Abstract
The present invention provides a method for measuring moisture content in a separator of secondary battery by using a gas chromatograph equipped with a headspace sampler. The separator of secondary battery may be a safety reinforced separator (SRS) in which inorganic substance particles and a binder polymer are coated on a polyolefin substrate.