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:
Jan. 17, 2023
Filed:
Dec. 13, 2017
Applicant:
Posco, Pohang-si, KR;
Inventors:
Kyunghoon Kim, Pohang-si, KR;
Sang Min Lee, Pohang-si, KR;
Jong-Hak Lee, Pohang-si, KR;
Ki Young Kim, Pohang-si, KR;
Jae Hyug Choi, Pohang-si, KR;
Souhwan Son, Pohang-si, KR;
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01D 15/02 (2006.01); C01B 25/30 (2006.01); C01B 25/32 (2006.01); C01F 11/46 (2006.01);
U.S. Cl.
CPC ...
C01D 15/02 (2013.01); C01B 25/30 (2013.01); C01B 25/32 (2013.01); C01F 11/46 (2013.01);
Abstract
The present invention relates to a method of manufacturing lithium hydroxide, which includes adding at least one acid selected from hydrochloric acid, sulfuric acid, and nitric acid into lithium phosphate slurry including a lithium phosphate particle, adding an alkali material to the lithium phosphate slurry including the acid, and converting it into a lithium hydroxide aqueous solution.