Polyester toner composition for electrophotographic imaging syst

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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430109, G03G 909

Patent

active

060905166

ABSTRACT:
This invention provides a free-flowing polyester dye powder which has superior stability and transparency for application in electrophotographic imaging systems. In another embodiment this invention provides novel chromophoric diester monomers which are reacted with diol monomers to form an invention polyester dye. A present invention toner composition comprises particulate polyester dye, and one or more optional components such as a charge control agent or a surfactant.

REFERENCES:
patent: 4778742 (1988-10-01), Ong et al.
patent: 5200290 (1993-04-01), Ong et al.
patent: 5958998 (1999-09-01), Foucher et al.

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