Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2005-07-19
2005-07-19
Dote, Janis L. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S109400, C430S111400, C430S124300
Reexamination Certificate
active
06919156
ABSTRACT:
A toner comprising a resin binder, a colorant, and fine inorganic particles having a BET specific surface area of 30 m2/g or less, wherein the fine inorganic particles are added as an external additive, wherein the toner has a storage modulus at 100° C. using a 25 mm parallel plate of 7×104Pa or less, a storage modulus at 60° C. using a 7.9 mm parallel plate of from 3×108to 1×109Pa, and a storage modulus at 70° C. using a 7.9 mm parallel plate of from 7×106to 3×108Pa; and a two-component developer comprising the toner. The toner can be used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
REFERENCES:
patent: 6156471 (2000-12-01), Kobori et al.
patent: 6248495 (2001-06-01), Inokuchi et al.
Diamond, Arthur S., ed.,Handbook of Imaging Materials, Marcel Dekker, Inc., NY (1991), pp. 162-163.
Akiyama Koji
Kameyama Koji
Kawaji Hiroyuki
Yamazaki Masahito
Dote Janis L.
Kao Corporation
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