Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2006-02-14
2006-02-14
Goodrow, John 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, C528S195000, C528S272000, C525S418000
Reexamination Certificate
active
06998212
ABSTRACT:
A crystalline polyester having a number-average molecular weight of from 5000 to 10000, a weight-average molecular weight of from 150000 to 8000000, a maximum peak temperature of heat of fusion of from 60° to 150° C., and a ratio of a softening point to a maximum peak temperature of heat of fusion (softening point/peak temperature) of from 0.6 to 1.3. The crystalline polyester can be used as a resin binder for a toner used for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing method, and the like.
REFERENCES:
patent: 5948584 (1999-09-01), Hashimoto et al.
patent: 6383705 (2002-05-01), Aoki et al.
patent: 6723822 (2004-04-01), Shirai et al.
patent: 1 126 324 (2001-08-01), None
patent: 11-305485 (1999-11-01), None
patent: 2001-222138 (2001-08-01), None
Aoki Katsutoshi
Shirai Eiji
Goodrow John L
Kao Corporation
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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