Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2011-03-08
2011-03-08
Chapman, Mark A (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S109100, C430S110300, C430S137150, C399S252000, C399S320000
Reexamination Certificate
active
07901860
ABSTRACT:
The present invention provides dry toner particles comprising at least a radiation curable resin, and a colouring agent, wherein the circularity of the toner particles is between 0.95 and 0.99 and a charge control agent in a concentration between 0.025% and 1.0% by weight is present preferably as an external additive.The toners of this invention are useful for printing any substrate and for use in any form of printing or marking device.
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de Beeck Werner Op
Deprez Lode
Bacon & Thomas PLLC
Chapman Mark A
Xeikon IP BV
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