Polyester toner microspheres for electrophotographic imaging sys

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430137, G03G 909

Patent

active

058436090

ABSTRACT:
This invention provides a free-flowing polyester dye microspheric powder which has superior stability and transparency for application in electrophotographic imaging systems. In another embodiment this invention provides a non-aqueous dispersion polymerization process for producing the invention polyester dye microspheric powder. A present invention toner composition comprises polyester dye microspheric powder, and one or more optional ingredients such as a charge control agent or a surfactant.

REFERENCES:
patent: 4419430 (1983-12-01), Cooper et al.
patent: 5480947 (1996-01-01), Oishi et al.

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