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:
Jan. 24, 2023
Filed:
May. 09, 2018
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/03 (2006.01); H01F 1/00 (2006.01); C01G 49/06 (2006.01); C08L 101/06 (2006.01); C01G 49/08 (2006.01); H01F 1/11 (2006.01); G11B 5/70 (2006.01); C01G 49/00 (2006.01);
U.S. Cl.
CPC ...
H01F 1/0315 (2013.01); C01G 49/0018 (2013.01); C01G 49/06 (2013.01); C01G 49/08 (2013.01); C08L 101/06 (2013.01); G11B 5/70 (2013.01); H01F 1/0054 (2013.01); H01F 1/112 (2013.01); C01P 2002/32 (2013.01); C01P 2002/52 (2013.01); C01P 2004/04 (2013.01); C01P 2004/52 (2013.01); C01P 2004/64 (2013.01); C08L 2207/53 (2013.01);
Abstract
A core-shell particle includes: a core including an iron oxyhydroxide compound represented by Formula AFeOOH (in which Arepresents at least one metal element other than Fe, and a3 satisfies 0<a3<1) or at least one iron oxide compound selected from the group consisting of FeO, a compound represented by Formula AFeO(in which Arepresents at least one metal element other than Fe, and a1 satisfies 0<a1<2), FeO, and a compound represented by Formula AFeO(in which Arepresents at least one metal element other than Fe, and a2 satisfies 0<a2<2); and a shell which covers the core and includes a polycondensate of a metal alkoxide.