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:
Mar. 25, 2025
Filed:
Nov. 30, 2021
Applicant:
SK Innovation Co., Ltd., Seoul, KR;
Inventors:
Sukjoon Hong, Daejeon, KR;
Jiyun Park, Daejeon, KR;
Jeongbae Yoon, Daejeon, KR;
Seungok Lee, Daejeon, KR;
Jimin Kim, Daejeon, KR;
Sungreal Son, Daejeon, KR;
Assignee:
SK INNOVATION CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/54 (2006.01); C01D 1/30 (2006.01); H01M 6/52 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
C01D 1/30 (2013.01); H01M 10/54 (2013.01); H01M 6/52 (2013.01); H01M 10/052 (2013.01);
Abstract
A method for reducing waste by recovering a lithium precursor including: a) mixing a waste lithium secondary battery positive electrode material with urea to prepare a first mixture; b) firing the first mixture to prepare a second mixture; and c) subjecting the second mixture to water washing to obtain lithium hydroxide.
Hong, Sukjoon. (2025). Method for recovering lithium precursor from waste lithium secondary battery positive electrode material (U.S. Patent No. 12258279). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12258279
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile