Toner comprising core layer and shell layer

Details Toner comprising core layer and shell layer Toner comprising core layer and shell layer

2007-05-15

2007-05-15

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...

C430S137140

Reexamination Certificate

active

10810886

ABSTRACT:
A toner comprising: a core layer and a shell layer formed on the core layer,wherein the core layer and the shell layer respectively comprise a first wax and a second wax; the second wax having a melting point that is higher than a melting point of the first wax;the first wax having an average dispersion diameter that is smaller than the average dispersion diameter of the second wax; andthe first wax having a content in the core layer that is greater than a content of the second wax in the shell layer.

REFERENCES:
patent: 5567567 (1996-10-01), Akiyama et al.
patent: 5824446 (1998-10-01), Nishihara et al.
patent: 6541173 (2003-04-01), Kido et al.
patent: 2002/0039699 (2002-04-01), Nishimori et al.
patent: 2004/0137357 (2004-07-01), Bartel et al.
patent: 2002-229251 (2002-08-01), None

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