Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1975-09-17
1977-12-13
Kendall, Ralph S.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428900, 427127, 427216, 252 6255, 75 5AA, 148105, H01F 102
Patent
active
040630005
ABSTRACT:
A process for producing a ferromagnetic metal powder comprising treating a ferromagnetic metal powder produced by a solution reduction process with an aqueous solution containing at least one anionic surface active agent.
REFERENCES:
patent: 3139354 (1964-06-01), Wolfe
patent: 3567525 (1971-03-01), Graham et al.
patent: 3663318 (1972-05-01), Little et al.
patent: 3756866 (1973-09-01), Parker et al.
Aonuma Masashi
Ogawa Hiroshi
Tamai Yasuo
Fuji Photo Film Co. , Ltd.
Kendall Ralph S.
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