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US 9,201,330 B2Granted
Developer, method for forming image, and method for producing developer
AssigneeKYOCERA Document Solutions Inc.
InventorAkinori Koyama
Life of this patent
Estimating the term…
Abstract
A developer of the present disclosure contains: toner particles each containing a binder resin and a magnetic powder; cross-linked polyester resin particles having a particle size of 2 μm or more and 30 μm or less; and an external additive. The toner particles and the cross-linked polyester resin particles are externally treated with the external additive in the same manner.
Claims7
A developer comprising:
- toner particles each containing a binder resin and a magnetic powder;
- cross-linked polyester resin particles having a particle size of 2 μm or more and 30 μm or less;
- and
- an external additive,
- wherein the toner particles and the cross-linked polyester resin particles are externally treated with the external additive in the same manner.
2 more elements
A method for producing a developer, comprising:
- preparing a particulate mixture by mixing toner particles each containing a binder resin and a magnetic powder with cross-linked polyester resin particles having a particle size of 2 μm or more and 30 μm or less;
- and
- externally treating the particulate mixture with an external additive.
Dependencies are inferred from the claim text.