Patents Assigned to Wonjin Worldwide Co., Ltd.
  • Carbon-containing refractory composition containing no resinous binder
    Patent number: 8026191
    Abstract: The present invention provides a carbon-containing refractory composition comprising a carbon-containing refractory matrix material, and a binder selected from molasses, lignosulphonate, magnesium sulfate, magnesium chloride, and a mixture thereof. The inventive composition having satisfactory good thermal and physical properties causes no environmental hazard.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: September 27, 2011
    Assignee: Wonjin Worldwide Co., Ltd.
    Inventor: Jeong Heo