Patents by Inventor Kyung Gyol Yon

Kyung Gyol Yon 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).

  • PREPARATION METHOD FOR TONER BY USING ALKALI-SOLUBLE RESIN CONTAINING ACIDIC GROUP
    Publication number: 20120328981
    Abstract: Disclosed is a preparation method for a toner. Problems according to use of a surfactant can be solved and it is possible to prepare toner particles having a uniform distribution of particle size by using an alkali-soluble resin containing an acidic group.
    Type: Application
    Filed: February 16, 2011
    Publication date: December 27, 2012
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Il Hyuk Kim, Ji Sang Jeong, Ha Na Jung, Sung Hwa Lee, Kyung Gyol Yon
  • TONER HAVING CORE-SHELL STRUCTURE AND METHOD OF PREPARING THE SAME
    Publication number: 20120028182
    Abstract: A toner having a core-shell structure and a method of preparing the same. Since a shell includes a crosslinked resin, a toner preventing hot offsets and having excellent charge stability is prepared.
    Type: Application
    Filed: January 26, 2010
    Publication date: February 2, 2012
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Ji Sang Jeong, Il Hyuk Kim, Dong Won Kim, Ha Na Jung, Kyung Gyol Yon