Compositions – Magnetic – Chromium or chromium compound containing
Patent
1992-02-28
1994-07-19
Willis, Jr., Prince
Compositions
Magnetic
Chromium or chromium compound containing
252500, 528481, H01F 100, C07G 1700
Patent
active
053306686
ABSTRACT:
An organic ferromagnetic substance including an amorphous carbonaceous substance in mid course of graphitization prepared from an organic compound having a hydrogen/carbon ratio of 1.7 or more and a process for producing same are disclosed. This organic ferromagnetic substance is stable and easy to produce, and has a high saturation magnetization and is advantageous as an industrial product such as a toner for copiers utilizing its light weight and high saturation magnetization.
REFERENCES:
patent: 4626588 (1986-12-01), Murase et al.
patent: 5015699 (1991-05-01), Cotts et al.
patent: 5135673 (1992-08-01), Murata et al.
Patent Abstracts of Japan, vol. 015, No. 072, Feb. 20, 1991.
Masuda Takashi
Matsuda Akio
Murata Kazuhisa
Diamond Alan D.
Director-General of Agency of Industrial Science & Technology
Willis Jr. Prince
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