Patents by Inventor Sang-Deuk Choi

Sang-Deuk Choi 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).

  • Patent number: 8853328
    Abstract: The present invention relates to a sheet composition containing at least one of either a polystyrene-based copolymer or an ethylene vinyl acetate-based copolymer, to a sheet produced from the same, to a laminated sheet containing the sheet, and to a composite sheet containing the laminated sheet. The sheet according to the present invention is provided with a high functional stability including wear resistance, oil resistance, and aging resistance, and superior embossing retention characteristics.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: October 7, 2014
    Assignee: LG Hausys, Ltd.
    Inventors: Sang-Deuk Choi, Kyeung-Ho Kim, Yong-Gu Kweon, Kyo-Hoon Shin
  • Publication number: 20110159254
    Abstract: The present invention relates to a sheet composition containing at least one of either a polystyrene-based copolymer or an ethylene vinyl acetate-based copolymer, to a sheet produced from the same, to a laminated sheet containing the sheet, and to a composite sheet containing the laminated sheet. The sheet according to the present invention is provided with a high functional stability including wear resistance, oil resistance, and aging resistance, and superior embossing retention characteristics.
    Type: Application
    Filed: August 31, 2009
    Publication date: June 30, 2011
    Inventors: Sang-Deuk Choi, Kyeung-Ho Kim, Yong-Gu Kweon, Kyo-Hoon Shin