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. 21, 2022
Filed:
Nov. 29, 2017
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Takashi Fujimoto, Minami-ashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/11 (2006.01); C08K 3/22 (2006.01); C01G 49/06 (2006.01); G11B 5/706 (2006.01); G11B 5/714 (2006.01); H01F 1/113 (2006.01); H01F 1/00 (2006.01);
U.S. Cl.
CPC ...
H01F 1/11 (2013.01); C01G 49/06 (2013.01); C08K 3/22 (2013.01); G11B 5/70642 (2013.01); G11B 5/714 (2013.01); C01P 2004/64 (2013.01); C01P 2006/42 (2013.01); C08K 2003/2268 (2013.01); C08K 2201/005 (2013.01); C08K 2201/01 (2013.01); G11B 5/70615 (2013.01); H01F 1/0054 (2013.01); H01F 1/113 (2013.01);
Abstract
Provided is an ε-iron oxide type ferromagnetic powder with a powder pH within a range of 4.8 to 6.8; and a method for manufacturing the ε-iron oxide type ferromagnetic powder and a composition containing at least the ε-iron oxide type ferromagnetic powder and a solvent.