Toner compositions with charge enhancing additives
AssigneeXerox Corporation
InventorsHui Chang, John R. Laing, Maria E. McCall
Life of this patent
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Abstract
A toner composition comprised of resin, pigment, and a mixture of charge enhancing additives comprised of a first additive of distearyl dimethyl ammonium methyl sulfate, and a second additive comprised of a tetraalkyl ammonium bisulfate.
Claims42
A toner composition comprised of resin, pigment, and a mixture of charge enhancing additives comprised of a first additive of quaternary ammonium salts and a second additive of an alkyl ammonium bisulfate.
A toner composition comprised of resin, pigment, and a mixture of charge enhancing additives comprised of a first additive of distearyl dimethyl ammonium methyl sulfate, and a second additive comprised of a tetraalkyl ammonium bisulfate.
A positively charged toner composition comprised of resin particles, pigment particles, and a mixture of charge enhancing additives comprised of a first additive of distearyl dimethyl ammonium methyl sulfate, and a second additive selected from the group consisting of distearyl dimethyl ammonium bisulfate, tetramethyl ammonium bisulfate, tetraethyl ammonium bisulfate, and tetrabutyl ammonium bisulfate.
Dependencies are inferred from the claim text.