Nonmagnetic black toner

Details Nonmagnetic black toner Nonmagnetic black toner

2005-06-14

2005-06-14

RoDee, Christopher (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

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

C430S108700, C430S111400, C430S120400

Reexamination Certificate

active

06905805

ABSTRACT:
A nonmagnetic black toner comprising a resin binder, a black colorant comprising a metal oxide, and externally-added fine particles having an average particle size of 20 nm to 2.1 μm, wherein the fine particles are contained in the toner in an amount of 0.2% by weight or more. The nonmagnetic black toner can be used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

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