Patent ID: 6365311
Filing Date: 2002-04-02
Classification: G03G

Abstract:
A toner composition comprising a polymeric binder and, as a charge control agent, at least one 2,4-dicyanoglutarimide compound, in an amount within the range of about 0.2 to 10.0 parts per hundred parts of the binder polymer, which 2,4-dicyanoglutarimide compound is represented by the following structure: where R1 and R2 are the same or different and may be hydrogen; unsubstituted or substituted alkyl containing from 1-18 carbon atoms; unsubstituted or substituted aryl containing from 6 to 14 carbon atoms, unsubstituted or substituted heterocyclic ring systems; or wherein R1 and R2 form an unsubstituted or substituted ring system, wherein the aforementioned substituted moieties have at least one substituent selected from the group consisting of halo, hydroxyl, alkyl, alkoxy, thioalkyl, amino, nitro, unsubstituted or substituted aryl, unsaturated hydrocarbon groups, and combinations thereof.