Patents Assigned to DONG HA
  • Eco-friendly synthetic wood containing coffee grounds and manufacturing method thereof
    Patent number: 12065570
    Abstract: The disclosure provides eco-friendly synthetic wood containing coffee grounds, which uses, as main components, coffee grounds and waste gypsum, which are waste resources, and PETG recycled from waste plastic, thereby contributing to protection of the environment, and which enhances formability, post-processability, and a weather resistance of the synthetic wood by reducing a ratio of shrinking-swelling and a water absorption factor of the synthetic wood, and a manufacturing method thereof.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: August 20, 2024
    Assignee: DONG HA
    Inventor: Jae Soon Hwang