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:
Apr. 07, 2020
Filed:
Jan. 29, 2015
Applicant:
Saudi Basic Industries Corporation, Riyadh, SA;
Inventors:
Mohamed Bahgat Saddik, Jubail, SA;
Fazal-Ur-Rehman Awan, Jubail, SA;
Assignee:
SAUDI BASIC INDUSTRIES CORPORATION, Riyadh, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/10 (2006.01); C01G 49/00 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/10 (2013.01); C01G 49/0036 (2013.01); H01F 41/0253 (2013.01); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2006/42 (2013.01);
Abstract
Disclosed herein are compositions and methods of making a hard magnetic material from iron oxide fines, the hard magnetic material having a general formula MFeO. In one aspect, the method comprises a) providing an iron oxide fine; b) providing a metal carbonate of a general formula M(CO); c) mixing the iron oxide fine and the metal carbonate to form a mixture; d) calcining the mixture of the iron oxide fine and the metal carbonate; wherein M is a divalent metal ion.