Patents by Inventor Ho Seok Sohn

Ho Seok Sohn 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).

  • Antibacterial and anti-static multifunctional hard coating composition
    Patent number: 7648762
    Abstract: A hard coating composition that can be coated on a transparent plastic substrate is disclosed. The hard coating composition includes (a) a silver nanoparticle sol, (b) a conductive filler, (c) a photocurable resin, (d) a photopolymerization initiator, and (e) an organic solvent. The composition has a viscosity of about 5 to 100 cps. The silver nanoparticle sol includes a plurality of silver nanoparticles. The plurality of silver nanoparticles has a diameter between about 1 nm and about 10 nm.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: January 19, 2010
    Assignee: Cheil Industries, Inc.
    Inventors: Ho Seok Sohn, Hyun Don Kim, Dong Il Shin, Young Gak Joung
  • Sheet with hard coating and associated methods
    Publication number: 20090169896
    Abstract: Disclosed herein is a plastic sheet with good anti-fouling properties, impact resistance, anti-static properties, and scratch resistance. The plastic sheet includes a transparent substrate, a first hard coat layer comprising a fluoroacrylate copolymer on one surface of the transparent substrate, and a second hard coat layer comprising a bisphenol-based resin and a conductive filler on the other surface of the transparent substrate.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 2, 2009
    Inventors: Ho Seok Sohn, Hyun Don Kim, Dae Kyu Lee, Hyun Suk Yu
  • Antibacterial and anti-static multifunctional hard coating composition
    Publication number: 20070173564
    Abstract: A hard coating composition that can be coated on a transparent plastic substrate is disclosed. The hard coating composition includes (a) a silver nanoparticle sol, (b) a conductive filler, (c) a photocurable resin, (d) a photopolymerization initiator, and (e) an organic solvent. The composition has a viscosity of about 5 to 100 cps. The silver nanoparticle sol includes a plurality of silver nanoparticles. The plurality of silver nanoparticles has a diameter between about 1 nm and about 10 nm.
    Type: Application
    Filed: August 31, 2006
    Publication date: July 26, 2007
    Inventors: Ho Seok Sohn, Hyun Don Kim, Dong Il Shin, Young Gak Joung