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:
Oct. 04, 2022
Filed:
Jan. 18, 2019
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Assignee:
FUJIFILM CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01G 49/02 (2006.01); H01F 1/11 (2006.01); G11B 5/706 (2006.01);
U.S. Cl.
CPC ...
C01G 49/02 (2013.01); G11B 5/70626 (2013.01); H01F 1/11 (2013.01); C01P 2002/70 (2013.01); C01P 2004/04 (2013.01); C01P 2004/32 (2013.01); C01P 2004/64 (2013.01); C01P 2006/42 (2013.01);
Abstract
Disclosed are a particle of a 13-iron oxyhydroxide-based compound represented by Formula (1), in which an average equivalent circle diameter of primary particles is 5 nm to 30 nm, and a coefficient of variation of equivalent circle diameters of the primary particles is 10% to 30% [In Formula (1), A represents at least one kind of metal element other than Fe, and a represents a number that satisfies a relationship of 0≤a<1.], and applications thereof.β-AFeOOH   (1)
Naoi, Kenji. (2022). Particles of β-iron oxyhydroxide-based compound, manufacturing method of the same, manufacturing method of particles of ϵ-iron oxide-based compound, and manufacturing method of magnetic recording medium (U.S. Patent No. 11459244). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11459244
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile