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:
Nov. 18, 2025
Filed:
Dec. 21, 2018
Posco, Pohang-si, KR;
Research Institute of Industrial Science & Technology, Pohang-si, KR;
Kiyoung Kim, Pohang-si, KR;
Gi-Chun Han, Cheongju-si, KR;
Young-Seon Ko, Seoul, KR;
Hyun Woo Lee, Pohang-si, KR;
Kwang Seok Park, Pohang-si, KR;
Juyoung Kim, Pohang-si, KR;
Woonkyoung Park, Pohang-si, KR;
Sang Won Kim, Pohang-si, KR;
Woo Chul Jung, Pohang-si, KR;
Kee Uek Jeung, Pohang-si, KR;
Jung Kwan Park, Pohang-si, KR;
Dong Soo Kim, Pohang-si, KR;
Sang Gil Lee, Pohang-si, KR;
Jin Yeop Wi, Pohang-si, KR;
Young Su Kwon, Pohang-si, KR;
POSCO CO., LTD, Pohang-si, KR;
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si, KR;
Abstract
The present invention relates to a lithium compound manufacturing method comprising the steps of heat treatment of lithium-containing ore; roasting the heat-treated ore with sulfuric acid to prepare an acid product; mixing the acid product with leaching water to prepare a leachate; purifying the leachate; and adding a phosphorus supply material and a basic material to the purified leachate to obtain a solid lithium phosphate.