Toner and developer using the toner

Details Toner and developer using the toner Toner and developer using the toner

2007-01-12

2009-10-27

Chapman, Mark A (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

C430S108400, C430S110400, C430S111400, C399S252000

Reexamination Certificate

active

07608374

ABSTRACT:
A toner including a binder resin, and a release agent, wherein the following relationships are satisfied:in-line-formulae description="In-line Formulae" end="lead"?2 μm≦D4≦4 μm  (a)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?0.05 μm≦Dw≦0.3 μm  (b)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Dw≦0.075×D4  (c)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?F≦−40×Dw+19  (d)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?F≦20×Dw+5  (e)in-line-formulae description="In-line Formulae" end="tail"?wherein D4is a weight-average particle diameter of the toner, Dw is an average dispersion diameter of the release agent and F is a pulverizability index of the toner.

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