Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2003-11-26
2009-08-04
Dote, Janis L (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108100, C430S108400, C525S440090, C525S440120, C525S440130
Reexamination Certificate
active
07569319
ABSTRACT:
A polyester binder resin for a toner that excels in low-temperature fixing properties, offset resistance, development durability, long-term storability, electrification properties, pulverizability, etc.; and a toner containing the same. The binder resin for a toner is comprised of a polyester resin and, dispersed therein, a wax having a substituent selected from among a substituent of aromatic structure (representative example thereof is a group derived from a styrene compound), a carboxyl group and a hydroxyl group, or comprised of a polyester resin having the above wax introduced in the structure thereof. The toner containing the above binder resin for toner exhibits excellent capability in not only, as fundamental performance of toner, low-temperature fixing properties and offset resistance but also development durability, antiblocking properties and pulverizability.
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Derwent Abstract ACC-No: Derwent Week 20040 describing US 5958641 A, copyright 2009.
Emura Yuji
Matsuoka Hiroshi
Takei Hiroyuki
Uosaki Hirotaka
Buchanan & Ingersoll & Rooney PC
Dote Janis L
Mitsui Chemicals Inc.
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