Xerox Corporation

George W Vianco

Jacques C Bertrand

Timothy Wayne Jacobs

John R Laing

Michelle M Bruzee

Steven R Perez

Raymond L Sommers

Sheau Van Kao

A process for the preparation of developer compositions comprising providing a first developer comprised of carrier and first toner comprised of resin, pigment, polyolefin, compatibilizer, charge control agent, and surface additive, and adding thereto a second replenisher comprised of carrier, and second toner comprised of resin, pigment, polyolefin, compatibilizer, charge control agent, and surface additive, and wherein the surface additive of the second toner is present in a lesser amount than the surface additive of the first toner.

Processes for controlling developer aging

Disclosed is a process for enhancing xerographic developer tribo product longevity comprising providing developer particles comprised of a toner comprised of at least one resin, pigment, charge additive, surface additive particles, a charge control agent retention additive or compound, and a carrier.

Toner and developer compositions and processes thereof

An improved single component magnetic toner composition with a resistivity of from about 10.sup.13 to about 10.sup.16 ohm/cm, at 1,000 volts, and comprised of:

Resistive single component developer composition

Growing community of inventors

Walworth, NY, United States of America

George W Vianco