Patents by Inventor Kayong K. Koch

Kayong K. Koch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Encapsulated toner compositions
    Patent number: 5104763
    Abstract: An encapsulated toner composition comprised of a core comprised of a polymer, pigment, dye or mixtures thereof, which core is encapsulated in a polymeric shell having incorporeated therein an organosilane moiety as an integral part of the shell structure.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: April 14, 1992
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Barkev Keoshkerian, Kayong K. Koch, Fernando P. Yulo