Magnetic recording media

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter

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252 6254, 427131, 428328, 428329, 428407, 4284259, 428522, 428526, 428694, 428695, 428900, G11B 5712

Patent

active

047132930

ABSTRACT:
A magnetic recording medium comprising a magnetic layer containing a magnetic metal powder, a fatty acid and an ester thereof, and wherein the surface of said magnetic metal powder is pre-treated with a surfactant.

REFERENCES:
patent: 4091143 (1978-05-01), Hartman
patent: 4361621 (1982-11-01), Isobe
patent: 4404253 (1983-09-01), Kohler
patent: 4404260 (1983-09-01), Shibata
patent: 4407901 (1983-10-01), Miyatsuka
patent: 4420537 (1983-12-01), Hayama
patent: 4465737 (1984-08-01), Miyatuka
patent: 4562117 (1985-12-01), Kikukawa
patent: 4568619 (1986-02-01), Hiller

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