Patents Assigned to Duraseal Co., Inc.
  • Liquid formulations for sealing of cracks in internal combustion engine cooling systems
    Patent number: 7713344
    Abstract: Complete liquid formulations, that can seal up cracks on metal surfaces of devices participating in cooling of internal combustion engines and are composed of water soluble fibrous macromolecules, nanometer size metals, and silicon dioxide, are disclosed.
    Type: Grant
    Filed: February 18, 2006
    Date of Patent: May 11, 2010
    Assignee: Duraseal Co., Inc.
    Inventor: Soyeong Yoon