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. 07, 2026
Filed:
Oct. 19, 2020
Applicant:
Dongwoo Fine-chem Co., Ltd., Jeollabuk-do, KR;
Inventors:
Assignee:
DONGWOO FINE-CHEM CO., LTD., Jeollabuk-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/54 (2006.01); C01G 45/10 (2006.01); C01G 51/10 (2006.01); C01G 53/10 (2006.01); C01G 53/50 (2025.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/54 (2013.01); C01G 45/10 (2013.01); C01G 51/10 (2013.01); C01G 53/10 (2013.01); C01G 53/50 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); C01P 2002/50 (2013.01); C01P 2006/40 (2013.01);
Abstract
The present invention relates to a method of preparing a precursor material of a positive electrode active material from a waste lithium secondary battery, to a method of preparing a lithium secondary battery positive electrode active material including a precursor material prepared by the same precursor preparation method, and to a lithium secondary battery positive electrode active material prepared by the same positive electrode active material preparation method.
Kim, Myung-Jin. (2026). Methods for manufacturing positive electrode active material precursor material and positive electrode active material for secondary lithium battery, and positive electrode active material for secondary lithium battery manufactured thereby (U.S. Patent No. 12676349). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12676349
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile