Patents by Inventor Chung Ku Han

Chung Ku Han 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).

  • Composition for sheet using biomass, eco-friendly composite sheet, and fabrication method for thereof
    Patent number: 9963832
    Abstract: The present invention provides a composition for sheet using a biomass, an eco-friendly composite sheet, and fabrication method thereof, where the sheet comprising the composition according to the present invention has eco-friendly characteristics, that is, being recyclable and not harmful to the human body. Further, the sheet according to the present invention is excellent in elongation and hardness and also has good scratch resistance.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: May 8, 2018
    Assignee: CJ Cheiljedang Corporation
    Inventors: Chung Ku Han, Chan Suk Yoon, Seung In Hong
  • Composition for Sheet Using Biomass, Eco-Friendly Composite Sheet, and Fabrication Method for Thereof
    Publication number: 20150233061
    Abstract: The present invention provides a composition for sheet using a biomass, an eco-friendly composite sheet, and fabrication method thereof, where the sheet comprising the composition according to the present invention has eco-friendly characteristics, that is, being recyclable and not harmful to the human body. Further, the sheet according to the present invention is excellent in elongation and hardness and also has good scratch resistance.
    Type: Application
    Filed: February 17, 2015
    Publication date: August 20, 2015
    Inventors: Chung Ku Han, Chan Suk Yoon, Seung In Hong