Compositions – Magnetic – With wax – bitumen – resin – or gum
Patent
1979-05-17
1981-07-14
Cooper, Jack
Compositions
Magnetic
With wax, bitumen, resin, or gum
252 6253, 252 6263, H01F 1117
Patent
active
042785561
ABSTRACT:
Procedure for pulverizing ferrite particles for use in the production of flexible magnets utilizing alcohols containing up to 4 carbon atoms and having a boiling point up to 100.degree. C. as a pulverization promoter, annealing at an elevated temperature, and dispersing in a flexible, nonmagnetic matrix.
REFERENCES:
patent: 2762778 (1956-09-01), Gorter et al.
patent: 2854412 (1958-09-01), Brockman et al.
patent: 3043776 (1962-07-01), Jonker
patent: 3576745 (1971-04-01), Tokar
Cooper Jack
TDK Electronics Co. Ltd.
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