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. 06, 2023
Filed:
Aug. 05, 2021
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Wataru Kikuchi, Minami-ashigara, JP;
Masatoshi Yumoto, Minami-ashigara, JP;
Takashi Imai, Minami-ashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/706 (2006.01); G11B 5/702 (2006.01); G11B 5/714 (2006.01); G11B 5/70 (2006.01);
U.S. Cl.
CPC ...
G11B 5/70678 (2013.01); G11B 5/7013 (2013.01); G11B 5/7023 (2013.01); G11B 5/7028 (2013.01); G11B 5/714 (2013.01);
Abstract
The magnetic recording medium includes: a non-magnetic support; and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support, in which the magnetic layer further includes a compound including a polyalkyleneimine chain and a vinyl polymer chain. The composition for a magnetic recording medium includes: ferromagnetic powder; and a compound including a polyalkyleneimine chain and a vinyl polymer chain.