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US 6,492,084 B2Granted
Toner for use in electrophotography and image formation method using the toner
AssigneeRicoh Company, Ltd.
InventorKunihiko Tomita
Life of this patent
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Abstract
A toner for use in electrophotography, which includes a coloring agent and a binder including a binder resin which contains therein a cyclized rubber, is proposed, and an image formation method using this toner is also proposed.
Claims22
A toner for use in electrophotography comprising:
- a coloring agent, and
- a binder which comprises a binder resin comprising a cyclized rubber, said toner being produced by kneading and pulverizing to produce toner particles.
An electrophotographic image formation method, using a toner comprising:
- a coloring agent, and
- a binder which comprises a binder resin comprising a cyclized rubber, said toner being produced by kneading and pulverizing to produce toner particles.
Dependencies are inferred from the claim text.