Spherical magnetic composite particles

Details Spherical magnetic composite particles Spherical magnetic composite particles

1994-01-27

1998-03-24

Le, H. Thi

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428407, 428694BA, 428900, B32B 516, G11B 566

Patent

active

057310858

ABSTRACT:
Disclosed are herein spherical magnetic particles comprising magnetic particles, a thermosetting resin and carbon which is derived from the thermosetting resin by carbonizing at least a part of the thermosetting resin, and having an average particle diameter of 1 to 1000 .mu.m.

REFERENCES:
patent: 4578313 (1986-03-01), Ito et al.
patent: 4803131 (1989-02-01), Saito et al.
patent: 5321060 (1994-06-01), Oliver et al.
Patent Abstracts of Japan, vol. 14 No. 389 (P-1095) 22 Aug. 1990. Abstract.
Chemical Abstracts, vol. 91 No. 18, 29 Oct. 1979, Abstract # 150236z. Stadnik et al "Magnetic properties of ferromagnetic . . . " p. 648; column 2.

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