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. 29, 2025
Filed:
Nov. 10, 2020
Applicant:
Great Western Iron Ore Properties Inc., Las Vegas, NV (US);
Inventor:
Allen W. Apblett, Stillwater, OK (US);
Assignee:
Great Western Iron Ore Properties Inc., Las Vegas, NV (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 13/00 (2006.01); C01F 7/02 (2022.01); C21B 15/00 (2006.01); C22B 23/00 (2006.01);
U.S. Cl.
CPC ...
C21B 13/006 (2013.01); C01F 7/02 (2013.01); C21B 15/00 (2013.01); C22B 23/005 (2013.01); C21B 2300/02 (2013.01);
Abstract
A method and system of extracting iron oxide from ore is provided, which may include adding a chelating agent to an iron ore to form an iron ore and chelating agent solution, heating the solution to reflux in water, and filtering the solution to yield an extraction residue and a chelated iron solution. The chelated iron solution may be treated with a potassium hydroxide and water solution to yield iron hydroxide.