Magnetic recording element

Details Magnetic recording element Magnetic recording element

1987-04-24

1988-03-22

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

427128, 252 6254, 428694, 428695, 428900, G11B 5706

Patent

active

047328134

ABSTRACT:
A magnetic recording element having a carrier and a magnetic coating provided thereon containing a magnetic pigment, a binder and a dispersing agent which is an amine or amide compound containing a sulfuric or sulfonic acid group.

REFERENCES:
patent: 3428603 (1969-02-01), Kroenke
patent: 4153754 (1979-05-01), Huisman
patent: 4197357 (1980-04-01), Huisman
patent: 4309176 (1982-01-01), Friese et al.
patent: 4533565 (1985-08-01), Okita
patent: 4578314 (1986-03-01), Ohta
patent: 4584243 (1986-04-01), Kadokura
Patent Abstracts of Japan, vol. 8, No. 23, 1/31/84, & JP. A, 58 179 936 (Konishiroku Shakshin Kogyo K.K.) 10/21/83.

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