Patents by Inventor Charles A. Salotti

Charles A. Salotti 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 beneficiating oil shale using froth flotation
    Patent number: 4968413
    Abstract: A process for beneficiating oil shale is disclosed including the steps of grinding the shale to fine particles in an aqueous medium, portions of which are kerogen-rich and kerogen-poor, scrubbing the particles, conditioning using a collector and a frother, and separating using froth flotation and oil agglomeration/dewatering.
    Type: Grant
    Filed: July 29, 1987
    Date of Patent: November 6, 1990
    Assignee: Chevron Research Company
    Inventors: Rabinder S. Datta, Charles A. Salotti