Patent · US Active

Process for producing liquid developer, liquid developer, and image forming apparatus

US8198001B2 · kind B2 · utility

0Cited by
1References
9Claims
0Family size

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Key dates

Filing dateJul 6, 2009
Grant dateJun 12, 2012
Priority date
Expiry dateDec 8, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0629
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for producing a liquid developer includes: providing a dispersion liquid containing an aqueous dispersion medium and toner mother particles including a rosin resin; chemically modifying surfaces of the toner mother particles with an amine-based material by mixing the amine-based material with the dispersion liquid to obtain toner particles; and dispersing the toner particles in an insulating liquid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.