Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1991-12-02
1993-08-03
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430903, 430137, G03G 9107
Patent
active
052328066
ABSTRACT:
Disclosed is a one-component magnetic developer for the electrophotography, which comprises one-component magnetic toner particles and at least one fine particulate additive selected from the group consisting of hydrophobic silica, hydrophilic silica and alumina, wherein the one-component magnetic toner particles have a sphericity degree (DS), defined by the following formula, of 70 to 90%, and a specific surface area of 1.4 to 2.0 m.sup.2 /g:
REFERENCES:
patent: 4526851 (1985-07-01), Boughton et al.
patent: 4820603 (1989-04-01), Sakashita
patent: 4973541 (1990-11-01), Kohri et al.
Arakawa Takeshi
Asada Hidenori
Tsuji Nobuyuki
Yamada Shigeki
Goodrow John
Mita Industrial Co. Ltd.
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