Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-07-17

1985-09-10

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

252 6254, 360134, 360135, 360136, 427128, 427131, 428329, 428694, 428900, G11B 570, G11B 572

Patent

active

045406278

ABSTRACT:
Disclosed is a magnetic recording medium which comprises magnetic particles; a phosphate represented by the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 may be the same or different and each represent R.sup.4 O--CH.sub.2 O--.sub.n (wherein R.sup.4 is an alkyl group having 8 to 20 carbon atoms or an alkylphenyl group whose alkyl group moiety has 8 to 20 carbon atoms, and n is an integer of 2 to 10) or a group of HO--, with the proviso that at least one of R.sup.1, R.sup.2 and R.sup.3 is a group of R.sup.4 O--CH.sub.2 CH.sub.2 O--.sub.n (wherein R.sup.4 and n are as defined above); a lecithin; and a binder.

REFERENCES:
patent: 4018968 (1977-04-01), Neumann
patent: 4063000 (1977-12-01), Aonuma
patent: 4074012 (1978-02-01), Heikkinen
patent: 4197347 (1980-04-01), Ogawa
patent: 4197357 (1980-04-01), Huisman
patent: 4247593 (1981-01-01), Seto
patent: 4352859 (1982-10-01), Yoda
patent: 4420537 (1983-12-01), Hayama
patent: 4431700 (1984-02-01), Yamada

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