Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1975-09-02
1978-01-10
Cooper, Jack
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428900, 428539, 427127, 427215, 252 6251, 423274, 423607, C01G 3702
Patent
active
040680380
ABSTRACT:
Composition comprising a highly ferromagnetic CrO.sub.2 having deposited on the surface thereof an insoluble or sparingly soluble compound, thereby rendering the composition essentially non-reactive to water or oxidizable organic substances. Compound comprises either an oxide or hydroxide of Si and/or Ti.
REFERENCES:
patent: 3686031 (1972-08-01), Balthis
patent: 3687726 (1972-08-01), Pye
patent: 3769087 (1973-10-01), Leutner et al.
Aspes Pierfrancesco
Basile Giampiero
Montiglio Ugo
Scotti Carlo
Cooper Jack
Montecatini Edison S.p.A.
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