Patents by Inventor Frederick R. Benn

Frederick R. Benn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquefaction of cellulose
    Patent number: 5336819
    Abstract: The conversion of cellulose to hydrocarbon fuel, particularly fuel oil can be carried out using a polycyclic hydrogen donor substance. The present invention rests on the discovery that a light cut of the product oil can be used in place of the polycyclic hydrogen donor substance thus making it much easier to run the process continuously.
    Type: Grant
    Filed: June 11, 1992
    Date of Patent: August 9, 1994
    Assignee: Man-Oil Limited
    Inventors: Charles A. McAuliffe, Frederick R. Benn
  • Conversion of a municipal waste to fuel
    Patent number: 4618736
    Abstract: A process for converting cellulose-containing refuse into a fuel comprising forming a suspension of said cellulosic material in a polycyclic hydrogen donor substance and hydrogenating the suspension at elevated temperature and pressure in the presence of a catalyst to produce a mixture of gaseous, liquid and solid hydrocarbons having a low oxygen content and correspondingly high calorific value.
    Type: Grant
    Filed: August 6, 1985
    Date of Patent: October 21, 1986
    Assignee: Salford University Industrial Centre Limited
    Inventors: Frederick R. Benn, Charles A. McAuliffe