Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1992-03-09
1993-11-16
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430102, 118658, 222403, 222423, 427469, G03G 1309, G03G 1306
Patent
active
052622673
ABSTRACT:
A magnetic developer for developing an electrostatic latent image, including hydrophobic silica fine powder and an insulating magnetic toner comprising at least a binder resin and a magnetic material comprising spherical magnetic particles; wherein 0.16 to 1.6 wt. parts of the hydrophobic silica fine powder is mixed with 100 wt. parts of the insulating magnetic toner; the developer contains 17-60% by number of magnetic toner particles having a particle size of 5 microns or smaller, 5-50% by number of magnetic toner particles having a particle size of 6.35-10.08 microns, and 2.0% by volume or less of magnetic toner particles having a particle size of 12.7 microns or larger.
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Patent Abstracts of Japan, vol. 11, No. 12 (P-535) (2459), Jan. 13, 1987 & JP-A-61-188547.
Imai Eiichi
Kukimoto Tsutomu
Kuribayashi Tetsuya
Takiguchi Tsuyoshi
Tomiyama Koichi
Canon Kabushiki Kaisha
McCamish Marion E.
Rosasco S.
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