Toner compositions having magenta pigment

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

Reexamination Certificate

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C430S108100, C430S111410, C430S137200

Reexamination Certificate

active

07604915

ABSTRACT:
Use of a charge control agent in a toner, such as a magenta toner, to give an increased triboelectric charge is disclosed. The magenta toner may contain a magenta resin, such as xanthene. The charge control agent is a styrene-acrylate polymer, such as the following polymer of Formula II:

REFERENCES:
patent: 5556727 (1996-09-01), Ciccarelli et al.
patent: 6326119 (2001-12-01), Hollenbaugh, Jr. et al.
patent: 6365316 (2002-04-01), Stamp et al.
patent: 6824942 (2004-11-01), Silence et al.
patent: 6850725 (2005-02-01), Silence et al.
patent: 2006/0083999 (2006-04-01), Ishimoto et al.
patent: 10104881 (1998-04-01), None
English language translation of JP 10-104881 (Apr. 1998).
Diamond, Arthur S & David Weiss (eds.) Handbook of Imaging Materials, 2nd ed.. New York: Marcel-Dekker, Inc. (Nov. 2001) pp. 145-164, 180, and 181.

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