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. 24, 2025
Filed:
Dec. 28, 2018
Applicant:
Alcoa Usa Corp., Pittsburgh, PA (US);
Inventors:
Xinyan Yan, Murrysville, PA (US);
Francis Caron, Portneuf, CA;
Assignee:
ALCOA USA CORP., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 21/00 (2006.01); C22B 1/00 (2006.01); C22B 21/06 (2006.01);
U.S. Cl.
CPC ...
C22B 21/0092 (2013.01); C22B 1/005 (2013.01); C22B 21/0069 (2013.01); C22B 21/06 (2013.01); C22B 21/066 (2013.01);
Abstract
The present disclosure relates to methods of producing purified aluminum alloys from aluminum alloy scrap by producing a melt of the aluminum alloy scrap, adding one or more intermetallic former materials, producing iron-bearing intermetallic particles, removing the iron-bearing intermetallic particles, and solidifying the low-iron melt.