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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.:

US 12609224 B1

PDFFull Text
Date of Patent:
Apr. 21, 2026

Filed:

Jul. 07, 2020

Neodymium-iron-boron magnet material, raw material composition, preparation method therefor and use thereof

Applicant:

Fujian Golden Dragon Rare-earth Co., Ltd., Fujian, CN;

Inventors:

Gang Fu, Fujian, CN;

Jiaying Huang, Fujian, CN;

Jixiang Huang, Fujian, CN;

Qichen Quan, Fujian, CN;

Assignee:

FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd., Fujian, CN;

Attorneys:

Houston Beshining Law Office PLLC

Liangang Ye

Primary Examiner:

Matthew E Hoban

Assistant Examiner:

Lynne undefined Edmondson

Int. Cl.
CPC ...
H01F 1/057 (2006.01); C22C 33/00 (2006.01); C22C 33/04 (2006.01); C22C 38/00 (2006.01); C22C 38/06 (2006.01); C22C 38/10 (2006.01); C22C 38/16 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/0577 (2013.01); C22C 33/006 (2013.01); C22C 33/04 (2013.01); C22C 38/002 (2013.01); C22C 38/005 (2013.01); C22C 38/06 (2013.01); C22C 38/10 (2013.01); C22C 38/16 (2013.01); C22C 2202/02 (2013.01);
Abstract

Disclosed are a neodymium-iron-boron magnet material, a raw material composition, a preparation method therefor and a use thereof. The raw material composition of the neodymium-iron-boron magnet material comprises the following components by mass percentage: 29.5-32.8% of R', wherein R′ includes Pr and Nd, and Pr≥17.15%; Al≥0.5%; 0.90-1.2% of B; and 60-68% of Fe. The percentages are the mass percentages relative to the total mass of the raw material composition of the neodymium-iron-boron magnet material. Without adding a heavy rare earth element to the neodymium-iron-boron magnet material, the performance of the neodymium-iron-boron magnet material can still be significantly improved.

Find Patent Forward Citations

Fu, Gang. (2026). Neodymium-iron-boron magnet material, raw material composition, preparation method therefor and use thereof (U.S. Patent No. 12609224). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12609224

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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