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US 7,442,481 B2Granted
Charge control agent
AssigneesXSYS Print Solutions US LLC, Morimura Chemicals Limited
InventorsGary Don Ellis, Rhonda Sue Bartram, Edward William da Ponte, Toshihiko Oguchi, Timothy Alan Overway, Keiki Suganami
Life of this patent
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Abstract
A composition comprising a toner binder and a charge control agent comprising a sulfonation product of Solvent Blue 23, wherein from greater than 0 up to 30 mole % of the Solvent Blue 23 is sulfonated.
Claims15
A composition comprising a toner binder and a charge control agent comprising a sulfonation product of Solvent Blue 23, wherein from greater than 0 up to 30 mole % of the Solvent Blue 23 is sulfonated.
Dependencies are inferred from the claim text.