Toner and developer compositions with surface additives

G - Physics – 03 – G

Patent

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Details

G03G 9/097 (2006.01) G03G 9/087 (2006.01) G03G 13/01 (2006.01)

Patent

CA 2076847

A developer composition comprised of a toner comprised of resin, carbon black, magnetite, and a positive charge enhancing additive, and a surface additive mixture comprised of a polymeric hydroxy compound and a colloidal silica treated with a quaternary ammonium salt compound; and carrier particles comprised of a ferrite core with a polymer mixture coating thereover.

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