Compositions – Magnetic – Chromium or chromium compound containing
Patent
1987-10-06
1988-09-06
Cooper, Jack
Compositions
Magnetic
Chromium or chromium compound containing
423607, C01G 37027
Patent
active
047691654
ABSTRACT:
Acetic acid is substituted for a portion of the chromic oxide employed in the hydrothermal reaction of chromium trioxide and chromic oxide to form ferromagnetic chromium dioxide.
REFERENCES:
patent: 3278263 (1966-10-01), Cox
patent: 3512930 (1970-05-01), Bottjer et al.
patent: 3911095 (1975-10-01), Montiglio et al.
patent: 3929978 (1975-12-01), Morero et al.
patent: 3979310 (1976-09-01), Montiglio et al.
patent: 4045544 (1977-08-01), Williston et al.
Bertoncino James W.
Chen Horng-Yih
Crandall Terry G.
Cooper Jack
E. I. Du Pont de Nemours and Company
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