Patents Assigned to Canon Kabusbiki Kaisha
  • Toner for developing electrostatic image
    Patent number: 5712072
    Abstract: The present invention relates to a toner for developing an electrostatic image, comprising toner particles containing a binding resin composed of a styrene homopolymer or copolymer, a coloring agent, a polar resin, and a specified solid ester wax.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: January 27, 1998
    Assignee: Canon Kabusbiki Kaisha
    Inventors: Kohji Inaba, Tatsuya Nakamura, Tatsuhiko Chiba, Kengo Hayase