Patents Assigned to University of South Carolina and the city of Columbia, South Carolina
  • Degreasing agent
    Patent number: 5118358
    Abstract: It has now been found that a mixture of methyl acetate, methyl ethyl ketone nd mineral spirits along with a surfactant effectively dissolves fats and greases, and is especially useful for unclogging sewer lines.
    Type: Grant
    Filed: April 11, 1990
    Date of Patent: June 2, 1992
    Assignee: University of South Carolina and the city of Columbia, South Carolina
    Inventors: Vincent van Brunt, Eugene C. McCall, John R. Johnson