Patents by Inventor Jong-Wook Ha

Jong-Wook Ha 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 of fluorinated core-shell particles with water and oil repellency
    Publication number: 20030118722
    Abstract: The present invention relates to preparation of fluorinated core-shell particles with water and oil repellency, and more particularly, to preparation of emulsion-type coating material with good water and oil repellency using only small amount of expensive fluorinated monomers, which comprise a shell wherein a large amount of hydrophobic fluorinated monomers are included and a core wherein no fluorinated monomers are included.
    Type: Application
    Filed: December 2, 2002
    Publication date: June 26, 2003
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Soo-Bok Lee, In Jun Park, Dong-Kwon Kim, Jeong-Hoon Kim, Kwang Won Lee, Jong-Wook Ha
  • Super water-repellent organic/inorganic composite membrane
    Publication number: 20030080049
    Abstract: The present invention relates to a super water-repellent organic/inorganic composite material, more particularly to a new-concept super water-repellent organic/inorganic composite material with superior separation property having skin layer chemically immobilized with functional polymer on the porous inorganic support surface with fractal surface structure and pores of nanometers to micrometers, using grafting-from surface polymerization method.
    Type: Application
    Filed: May 7, 2002
    Publication date: May 1, 2003
    Inventors: Soo-Bok Lee, In-Joon Park, Kwang-Won Lee, Dong-Kwon Kim, Jeong-Hun Kim, Jong-Wook Ha, Hyung-Sang Park, Dae-Hwan Jung, Juergen Ruehe