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US 11,670,334 B2Granted
Magnetic recording medium, magnetic recording and reproducing device and composition for magnetic recording medium including polyalkyleneimine compound
AssigneeFUJIFILM Corporation
InventorsWataru Kikuchi, Masatoshi Yumoto, Takashi Imai
Life of this patent
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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.
Claims8
A composition,
- which is a composition for a magnetic recording medium, the composition comprising:
- a ferromagnetic powder;
- and
- a compound including a polyalkyleneimine chain and a vinyl polymer chain.
1 more element
Dependencies are inferred from the claim text.