Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2005-01-25
2005-01-25
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...
C430S108800, C430S109300
Reexamination Certificate
active
06846602
ABSTRACT:
The object of the present invention is to provide a full-color toner for oil-less fixing that is able to maintain adequate image density over a long period of time in all types of environments even in the case of continuous printing of a large number of sheets, does not result in the occurrence of problems such as black spots (BS) caused by filming on the photosensitive member or fusing to developing members, demonstrates high image quality similar to that of silver halide photographs, namely, adequate glossiness, color mixing property (color reproduction property) and transparency as full-color images for printed images, and is able to demonstrate adequate optical transmittance in OHP images. In order to achieve the object, the present invention provides a full-color toner for oil-less fixing comprising a cyclo-olefin copolymer resin as a binder resin and a wax or waxes added as a release agent at the total weight of 7.0-20% by weight relative to the weight of a toner particle, and having 15 or more of glossiness of a printed image face.
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Nakamura Toru
Suwa Yoshihito
Connolly Bove & Lodge & Hutz LLP
Goodrow John L
Ticona GmbH
Tomoegawa Paper Co. Ltd.
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