Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1997-07-29
2000-03-07
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, 430111, 430126, G03G 9087, G03G 9083
Patent
active
060338172
ABSTRACT:
A toner for developing an electrostatic image is disclosed which has at least one endothermic peak in the temperature region of 120.degree. C. or below in differential thermal analysis and contains, in its particles having particle diameters of 3 .mu.m or larger, not less than 93% by number of particles having a circularity of at least 0.90 and less than 30% by number of particles having a circularity of at least 0.98. The toner does not cause the re-transfer under high transfer current conditions and can realize the formation of good images with high image density. Also, an image forming method using the toner is disclosed.
REFERENCES:
patent: 5219697 (1993-06-01), Mori et al.
patent: 5270143 (1993-12-01), Tomiyama et al.
patent: 5712073 (1998-01-01), Katada et al.
Karaki Yuki
Maruyama Kazuo
Nozawa Keita
Urawa Motoo
Yusa Hiroshi
Canon Kabushiki Kaisha
Goodrow John
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