Ferrofluid having improved oxidation resistance

Details Ferrofluid having improved oxidation resistance Ferrofluid having improved oxidation resistance

1994-12-15

1997-08-12

Bonner, Melissa

Compositions

Magnetic

Flaw detection or magnetic clutch

252 6254, H01F 144, C09K 300, C09K 1500

Patent

active

056561962

ABSTRACT:
The present invention relates to a ferrofluid composition having improved oxidation resistance, which contains a carrier liquid, magnetic particles in a stable colloidal suspension, and from about 5% to about 50% by weight of an antioxidant.

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patent: 5064550 (1991-11-01), Wyman

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