Toner and process for producing toner

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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C430S108210, C430S108400, C430S108500, C430S110200, C430S137150, C430S137170

Reexamination Certificate

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07070896

ABSTRACT:
A toner containing a binder resin, a colorant, a charge control agent, and a thiazolyl disulfide compound or a thiuram disulfide compound. A process for producing a toner comprising polymerization of a polymerizable monomer composition that contains a polymerizable monomer and a colorant in an aqueous medium in the presence of a compound selected from a group consisting of (1) a thiazol thio compound, (2) a thiuram compound and (3) a dithiocarbamate compound.

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