Charge control agent composition and toner utilizing the same
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United States of America Patent
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Nov 12, 2013
Grant Date -
Apr 23, 2009
app pub date -
Apr 16, 2007
filing date -
Apr 19, 2006
priority date (Note) -
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Abstract
A modified charge control agent composition comprising a metal compound (A) of aromatic hydroxycarboxylic acid bonded with a metal atom selected from a zirconium atom, a calcium atom, an aluminum atom, a chromium atom, a boron atom, and a zinc atom via at least one of an ionic bond, a covalent bond, and a coordinate bond; and at least one inorganic pigment (B), wherein the pigment (B) is contained in an amount of from 1 to 20 parts by mass in 100 parts by mass of the composition. The modified charge control agent composition exhibits a high charge-imparting effect, and an electrostatic image developing toner that contains the charge control agent composition will have a high electrostatic charge amount and a high environmental stability.
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