Toner

Details Toner Toner

2008-08-05

2010-06-22

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...

C430S109300, C430S111400

Reexamination Certificate

active

07740999

ABSTRACT:
To achieve improvements in developing performance, transferring performance, and fixing performance, a toner has a glass transition temperature (TgA) of 40 to 60° C. and a temperature (P1) of the highest peak of 70 to 120° C.; cyclohexane (CHX) insoluble matter in the tetrahydrofuran (THF) soluble matter of the toner has a glass transition temperature (TgB) of 80 to 120° C.; TgA and TgB satisfy a specific formula; the toner has a viscosity at 100° C. of 5,000 to 30,000 Pa·s; and the cyclohexane (CHX) insoluble matter has an acid value of 5 to 40 mgKOH/g.

REFERENCES:
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patent: 6146801 (2000-11-01), Ichikawa et al.
patent: 7112393 (2006-09-01), Komoto et al.
patent: 2009/0035688 (2009-02-01), Abe et al.
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patent: 07-034126 (1995-04-01), None
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patent: 2004-184561 (2004-07-01), None
patent: 2006-053353 (2006-02-01), None
Japanese Patent Office machine-assisted translation of JP 2004-184561 (pub. Jul. 2004).
Japanese Patent Office machine-assisted translation of JP 2006-053353 (pub. Feb. 2006).

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