Highly viscous magnetic fluids having nonmagnetic particles

Details Highly viscous magnetic fluids having nonmagnetic particles Highly viscous magnetic fluids having nonmagnetic particles

1990-09-20

1992-03-10

Willis, Jr., Prince

Compositions

Magnetic

Iron-oxygen compound containing

252 6252, C01G 4908

Patent

active

050947672

ABSTRACT:
Highly viscous magnetic fluids essentially consist of superparamagnetic solid particles coated with a surfactant and colloidally dispersed in a carrier liquid.

REFERENCES:
patent: 3351413 (1967-11-01), Kono
patent: 3843540 (1974-10-01), Reimers et al.
patent: 4094804 (1978-06-01), Shimoiizaka
patent: 4485024 (1984-11-01), Furumura et al.
patent: 4810401 (1989-03-01), Mair et al.
Patent Abstracts of Japan, vol. 13, No. 518 (1989).
Patent Abstracts of Japan, vol. 13, No. 437 (1989).

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