Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1993-03-12
1994-06-14
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, 355245, G03G 908, G03G 1508
Patent
active
053209265
ABSTRACT:
A toner comprises a first particle having a predetermined volume average diameter and including thermoplastic binding resin and a colorant mixed into the thermoplastic binding resin to apply a color thereto. Wax of a second particle whose volume average diameter is considerably smaller than that of the first particle, is attached to the first particle by mechanical pressure. A nonmagnetic particle of a third particle is attached to the wax. The volume average diameter of the third particle is considerably smaller than that of the second particle. The attachment of the nonmagnetic particle decreases the area of an exposed surface of the wax, thereby preventing the wax from being attached to other wax and preventing the wax from contacting another toner.
REFERENCES:
patent: 4051077 (1977-09-01), Fisher
patent: 5124222 (1992-06-01), Clark et al.
Patent Abstracts of Japan, vol. 6, No. 237 (P-157)(1115) Nov. 25, 1982; Abstract of JP-A-57 136 659, Noguchi for "Toner Grain for Electrostatic Charge Latent Image Development."
Patent Abstracts of Japan, vol. 13, No. 47 (P-822)(3395) Feb. 3, 1989; Abstract of JP 63-240557, Satsuta for "Powder Toner".
Patent Abstracts of Japan, vol. 13, No. 129 (P-849)(3477) Mar. 30, 1989; Abstract of JP 63-300245 Inagaki for "Production of Heat Fixable Toner."
Patent Abstracts of Japan, vol. 14, No. 8 (P-987)(3951) Jan. 10, 1990; Abstract of JP 1-257855 Kawakubo for "Toner."
Patent Abstracts of Japan, vol. 14, No. 94 (P-1010)(4037) Feb. 21, 1990; Abstract of JP 1-302269, Uchiumi for "Method for Manufacturing Electrostatic Charge Image Developing Ton"
M. Koishi, Hyomen, vol. 25, No. 1, 1987, pp. 1-19.
M. Koishi et al., Hyomen, vol. 26, No. 6, 1988, pp. 404-413.
Fujikura Yukihiro
Sato Shuitsu
Takigawa Miho
Ueda Shinjiro
Kabushiki Kaisha Toshiba
Martin Roland
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