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:
Jun. 11, 2024
Filed:
Feb. 22, 2019
Applicant:
Rio Tinto Alcan International Limited, Montreal, CA;
Inventors:
Neil Hofstee, Brisbane, AU;
Alistair Gillespie, Mount Crosby, AU;
Tomas Mach, Brisbane, AU;
Warren Staker, Indooroopilly, AU;
Assignee:
Rio Tinto Alcan International Limited, Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 7/473 (2022.01); B01J 20/18 (2006.01); C01F 7/145 (2022.01); C01F 7/147 (2022.01);
U.S. Cl.
CPC ...
C01F 7/473 (2013.01); B01J 20/18 (2013.01); C01F 7/145 (2013.01); C01F 7/147 (2013.01); B01J 2220/4887 (2013.01);
Abstract
A Bayer process increases oxalate removal in the red side of the Bayer process and at least substantially minimises, for example by at least substantially suppressing, precipitation of oxalates in the white side of the Bayer process.