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. 08, 2025
Filed:
Mar. 25, 2021
Applicant:
Solugen, Inc., Houston, TX (US);
Inventors:
Jun Su An, Houston, TX (US);
Frederyk Ngantung, Houston, TX (US);
Assignee:
SOLUGEN, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 11/08 (2006.01); C04B 24/06 (2006.01); C04B 28/04 (2006.01); C04B 103/22 (2006.01);
U.S. Cl.
CPC ...
C22B 11/08 (2013.01); C04B 24/06 (2013.01); C04B 28/04 (2013.01); C04B 2103/22 (2013.01);
Abstract
A method for precious metal extraction comprises contacting a precious metal-containing ore with an improved cyanide extraction agent under conditions suitable for the formation of a coated precious metal-containing ore where the extraction agent comprises (i) a cement and (ii) a cement retarder; and contacting the coated precious metal-containing ore with a cyanide solution to form soluble precious metal complexes. A composition for gold extraction comprising: (i) a cement (ii) a cement retarder and (iii) an inorganic cyanide salt.