Toners containing positively chargeable modified pigments
AssigneeCabot Corporation
InventorsCharles B. Little, James A. Belmont
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Abstract
A toner composition is disclosed which contains modified pigment particles having attached organic groups and styrenic polymer-based resin particles. The organic groups which are attached to the pigment particles are positively chargeable. Developer compositions containing the toner compositions of the present invention and methods of imaging are also described which use the toner compositions of the present invention.
Claims44
A toner composition comprising a) styrenic polymer-based resin particles and b) modified pigment particles having attached at least one organic group wherein said organic group is positively chargeable and comprises at least one aromatic group or a C.sub.1 -C.sub.20 alkyl group which is attached to the pigment particles, wherein said aromatic group or C.sub.1 -C.sub.20 alkyl group is directly attached to the pigment.
Dependencies are inferred from the claim text.