Patents by Inventor Edward D. Grant, Jr.

Edward D. Grant, Jr. 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).

  • Process for treating a sludge containing hydrocarbons
    Patent number: 4741840
    Abstract: A process is disclosed for treating sludge to remove the liquid hydrocarbons from the insoluble particles in the sludge to provide treated particles which are environmentally safe. The process involves mixing the sludge with a hydrocarbon diluent, separating the particles from the diluent-sludge mixture, then mixing the separated particles and remaining diluent with water and distilling off the remaining diluent to obtain the treated particles.
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: May 3, 1988
    Assignee: Exxon Research & Engineering Co.
    Inventors: George A. Atherton, Ghazi A. Dickakian, Edward D. Grant, Jr.
  • Process for treating cat cracker bottoms sludge
    Patent number: 4686048
    Abstract: A process is disclosed for treating cat cracker bottoms sludge to remove the cat cracker bottoms hydrocarbons from the catalyst fines in the sludge to provide treated fines which are environmentally safe for landfill. The process involves mixing the sludge with a hydrocarbon diluent, separating the fines from the diluent-sludge mixture, then mixing the separated fines and remaining diluent with water and distilling off the remaining diluent to obtain the treated fines.
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: August 11, 1987
    Assignee: Exxon Research & Engineering Co.
    Inventors: George A. Atherton, Ghazi B. Dickakian, Edward D. Grant, Jr.