Positively chargeable carrier
AssigneeFuji Xerox Co., Ltd.
InventorsYutaka Sugizaki, Susumu Saito, Hirotaka Matsuoka, Masanori Ichimura, Masaru Miura, Takashi Imai
Life of this patent
Estimating the term…
Abstract
A positively chargeable carrier for developing electrostatic charge images having good surface staining resistance and good environmental reliance of charging is disclosed, which comprises a core material having formed thereon an interlayer having a triboelectrification controlling function and having a nitrogen atom content of from 5 ppm to 75 ppm based on the weight of the core material, and a releasable coated layer formed on the interlayer. A two-component developer using the carrier is also disclosed.
Claims17
A positively chargeable carrier for developing electrostatic images, comprising a core material having formed thereon an interlayer having a triboelectrification controlling function and having a nitrogen atom content of from 5 ppm to 75 ppm based on the weight of the core material, and a releasable coated layer formed on the interlayer, wherein the releasable coated layer is present on the interlayer in a coating amount sufficient to cause the carrier to impart a sufficient negative charge to toners.
A two-component developer for developing electrostatic images, comprising a positively chargeable carrier and a toner, said positively chargeable carrier comprising a core material having formed thereon an interlayer having a triboelectrification controlling function and having a nitrogen atom content of from 5 ppm to 75 ppm based on the weight of the core material, and a releasable coated layer formed on the interlayer, wherein the releasable coated layer is present on the interlayer in a coating amount sufficient to cause the carrier to impart a sufficient negative charge to toners.
Dependencies are inferred from the claim text.