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. 04, 2023
Filed:
Feb. 01, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung Chul Park, Daejeon, KR;
Ung Ju Lee, Daejeon, KR;
Koo Seung Chung, Daejeon, KR;
Won Hee Jeong, Daejeon, KR;
Jung Woo Yoo, Daejeon, KR;
Young Jae Kim, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/42 (2006.01); H01M 4/62 (2006.01); H01B 3/18 (2006.01); H01M 4/04 (2006.01); H01M 4/13 (2010.01); H01M 4/139 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 10/4235 (2013.01); H01B 3/18 (2013.01); H01M 4/04 (2013.01); H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 4/62 (2013.01); H01M 4/622 (2013.01); H01M 10/052 (2013.01);
Abstract
The present invention provides a composition for forming an insulating layer for a lithium secondary battery, which includes a binder polymer; a coloring agent including at least one selected from the group consisting of an organic dye, an oil-soluble dye and an organic phosphor; and a solvent, and has a viscosity of 1,000 cP or more at 25° C.