Invention Grant
- Patent Title: Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating material
- Patent Title (中): 磁记录介质,磁粉表面和磁性涂层材料的改性方法
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Application No.: US12413956Application Date: 2009-03-30
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Publication No.: US08153283B2Publication Date: 2012-04-10
- Inventor: Masahiko Mori , Kazufumi Omura
- Applicant: Masahiko Mori , Kazufumi Omura
- Applicant Address: JP Tokyo
- Assignee: Fujifilm Corporation
- Current Assignee: Fujifilm Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2008-090720 20080331
- Main IPC: G11B5/708
- IPC: G11B5/708

Abstract:
An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support, wherein the magnetic layer comprises a compound denoted by general formula (1): wherein, in general formula (1), X denotes a divalent linking group, each of R1 and R2 independently denotes an alkyl group having 2 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, an alkoxyalkyl group having 2 to 20 carbon atoms, or an aryloxyalkyl group having 7 to 20 carbon atoms, and M denotes a hydrogen atom or a cation.
Public/Granted literature
- US20090246560A1 MAGNETIC RECORDING MEDIUM, METHOD OF MODIFYING SURFACE OF MAGNETIC POWDER AND MAGNETIC COATING MATERIAL Public/Granted day:2009-10-01
Information query
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