Compositions – Magnetic – Flaw detection or magnetic clutch
Patent
1987-07-10
1989-03-14
Richman, Barry S.
Compositions
Magnetic
Flaw detection or magnetic clutch
436 5, 2524081, C04B 3500
Patent
active
048122491
ABSTRACT:
A aqueous system for testing magnetizable articles is provided by a master based slurry of magnetic particles including a corrosion inhibitor, surface tension adjusting agent, an antifoam agent, a viscosity adjustment element, and a buffering element to assist in the corrosion resistance.
REFERENCES:
patent: 3981844 (1976-09-01), Romankiw
patent: 4107063 (1978-08-01), Kovac et al.
patent: 4338566 (1982-07-01), Graham
patent: 4433289 (1984-02-01), Mlot-Fijalkowski et al.
Circle Chemical Company, Inc.
P. Perrone, Jr. Mathew R.
Richman Barry S.
Wallen T. J.
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