Ferrofluid having improved oxidation resistance

Details Ferrofluid having improved oxidation resistance Ferrofluid having improved oxidation resistance

1996-12-03

1999-03-09

Bonner, Melissa

Compositions

Magnetic

Flaw detection or magnetic clutch

252 6254, H01F 144, C09K 300, C09K 1500

Patent

active

058795804

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 more than about 10% to about 400% by weight of an antioxidant based on the weight of the magnetic particles.

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