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. 30, 2021
Filed:
Mar. 05, 2019
Applicant:
Korea Resources Corporation, Wonju-si, KR;
Inventors:
Assignee:
KOREA RESOURCES CORPORATION, Wonju-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 9/08 (2006.01); C01G 51/00 (2006.01); C22B 3/08 (2006.01);
U.S. Cl.
CPC ...
C01G 9/08 (2013.01); C01G 51/30 (2013.01); C22B 3/08 (2013.01);
Abstract
Provided is a method for recovering a valuable metal sulfide, the method including: (a) adding limestone to a residual solution including a valuable metal to remove iron and aluminum; (b) adding sulfuric acid and a sulfide to the solution from which the iron and aluminum are removed to recover the valuable metal sulfide; and (c) adding air or sulfuric acid to the solution from which the valuable metal sulfide is recovered to remove sulfur.
Quick Actions:
Lee, Seung. (2021). Method for recovering valuable metal sulfides (U.S. Patent No. 11186492). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11186492
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile