Magnetic iron oxide particles and method of producing same

Details Magnetic iron oxide particles and method of producing same Magnetic iron oxide particles and method of producing same

1992-10-27

1994-05-24

Lesmes, George F.

Stock material or miscellaneous articles

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

Particulate matter

352 6256, 423632, 423633, 428403, 428900, C01G 4902, H01F 106

Patent

active

053147502

ABSTRACT:
Disclosed herein are magnetic iron oxide particles which have a spindle shape and a substantially uniform particle size and shape, and are substantially free of dendrites and have a large axial ratio (major axial diameter/minor axial diameter) and an excellent print-through characteristic, and a method of producing the same.

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patent: 4773931 (1988-09-01), Mishima et al.
patent: 4842759 (1989-06-01), Okamura et al.
patent: 4873010 (1989-10-01), Takedoi et al.

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