Non-magnetic black particles, non-magnetic black pigment therefr

Details Non-magnetic black particles, non-magnetic black pigment therefr Non-magnetic black particles, non-magnetic black pigment therefr

1997-08-18

2000-07-11

Resan, Stevan A.

Stock material or miscellaneous articles

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

Particulate matter

428329, 106415, 106456, 106459, G11B 5706

Patent

active

060870044

ABSTRACT:
In accordance with the present invention, there are provided non-magnetic black particles composed primarily of Fe and having a hematite structure, which shows an excellent blackness, heat resistance, and dispersibility in a vehicle, and which particles contain manganese in an amount of 5 to 40% by weight based on the weight of the non-magnetic black particles, a soluble sodium salt in an amount of not more than 500 ppm (calculated as Na), and a soluble sulfate in an amount of not more than 200 ppm (calculated as SO.sub.4), and have an average particle size of 0.1 to 10.0 .mu.m and a pH of not less than 5.5.

REFERENCES:
patent: 3276894 (1966-10-01), Hund et al.
patent: 3615810 (1971-10-01), Hund et al.
patent: 3655418 (1972-04-01), Hardy et al.
patent: 5269841 (1993-12-01), Kuske et al.
patent: 5496622 (1996-03-01), Isobe et al.
patent: 5587232 (1996-12-01), Hayashi et al.
patent: 5750250 (1998-05-01), Hayashi et al.

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