Patents Represented by Law Firm Tilon, Fallon, Lungmus & Chestnut
  • Method of removing pyritic sulfur from coal
    Patent number: 4681598
    Abstract: Pyritic sulfur is removed from coal to concentrate gas fraction collecting a gas fraction at decomposition temperatures within the range from 375.degree. to 550.degree. C. The collected fraction contains at least 60% of the total composable sulfur and not over 40% of the evolvable gas.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: July 21, 1987
    Assignee: Vanderbilt University
    Inventors: Thomas M. Godbold, William R. Baker