Fluid responsive to a magnetic field

Details Fluid responsive to a magnetic field Fluid responsive to a magnetic field

1992-10-07

1994-10-11

Willis, Jr., Prince

Compositions

Magnetic

Iron-oxygen compound containing

252 6252, 252 6254, 252 6255, 252 74, 252 75, 252 71, 252502, 252503, 252513, 252519, 188267, 26714014, 26714015, H01F 128, F16F 600

Patent

active

053544889

ABSTRACT:
A rheological fluid composition which is responsive to a magnetic field. The composition comprises a vehicle, magnetizable particles suspended in the vehicle and a dispersant. The dispersant comprises particles having no dimension greater than 10 nanometers. The dispersant is preferably carbon.

REFERENCES:
patent: 2751352 (1956-06-01), Bondi
patent: 2772761 (1956-12-01), Janson
patent: 3006656 (1961-10-01), Shaub
patent: 4280918 (1981-07-01), Homola et al.
patent: 4732706 (1988-03-01), Borduz et al.
patent: 4942947 (1990-07-01), Shtarkman
patent: 4957644 (1990-09-01), Price et al.
patent: 4992190 (1991-02-01), Shtarkman et al.
patent: 5013471 (1991-05-01), Ogawa
patent: 5039559 (1991-08-01), Sang et al.
patent: 5167850 (1992-12-01), Shtarkman et al.
A publication entitled "Quest", dated Summer, 1986, on pp. 53-63, contains an article Exploring the TRW Carbons by Jack L. Blumenthal et al. (month unknown).

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