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US 5,175,071 AGranted
Encapsulated toner composition
AssigneeXerox Corporation
InventorsWalter Mychajlowskij, Beng S. Ong, Barkev Keoshkerian, Guerino G. Sacripante
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Abstract
A toner composition comprised of a core comprised of a polymer resin or resins, color pigment, dye, or mixtures thereof, and thereover a coating comprised of an alkyl cellulose.
Claims23
An encapsulated toner composition consisting essentially of a core consisting essentially of a polymer resin or resins, color pigment, dye, or mixtures thereof, which core excludes a cellulose component, and thereover a continuous encapsulant coating comprised of an alkyl cellulose;
- and wherein the coating contains a mixture consisting essentially of an inorganic surfactant selected from the group consisting of potassium oleate, potassium caprate, potassium stearate, sodium laurate, sodium dodecyl sulfate, sodium oleate, and sodium laurate, a colloidal silica and conductive metal oxide powders;
- and wherein the average particle diameter of the resulting encapsulated toner is from 3 to 7 microns.
Dependencies are inferred from the claim text.