Patents by Inventor Jong Chull PARK

Jong Chull PARK 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).

  • Toner and Method of Preparing the Same
    Publication number: 20090258308
    Abstract: The present invention provides a toner having a core-shell structure which is formed by aggregation-coalescence of latex particles having bimodal particle size distribution. The toner according to the present invention can prevent scattering and image offset by enhancing adhesiveness and charge-up rate. The toner can also have controlled particle morphology of the particles and a uniform particle size distribution.
    Type: Application
    Filed: June 18, 2009
    Publication date: October 15, 2009
    Applicant: Cheil Industries Inc.
    Inventors: Jong Chull PARK, Mi Sun KIM, Kyung Hyun BAEK, Jin Gyu PARK