Patents by Inventor Kil Sung Lee

Kil Sung Lee 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).

  • Polishing composition
    Publication number: 20020022369
    Abstract: The present invention relates to a polishing composition comprising 30 to 99 wt % of deionized water, 0.1 to 50 wt % of powder of metallic oxide and 0.01 to 20 wt % of cyclic amine.
    Type: Application
    Filed: May 7, 2001
    Publication date: February 21, 2002
    Inventors: Kil Sung Lee, Jae Seok Lee, Seok Jin Kim, Young Ki Lee, Tu Won Chang