Patents by Inventor Baha E. Abulnaga

Baha E. Abulnaga 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 recovering ultrafine solids from a hydrocarbon liquid
    Patent number: 7955497
    Abstract: A method for separating and recovering ultrafine particulate solid material from a suspension or slurry of the solid material and a hydrocarbon liquid by precipitation or flocculation of a heavy fraction of the hydrocarbon liquid with an effective amount of a precipitation or flocculation agent such that the precipitated heavy fraction encapsulates the particulate solid material. The method further comprises coking the precipitated heavy fraction and grinding the coked product to an ultrafine size.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: June 7, 2011
    Assignee: Chevron U.S.A. Inc.
    Inventors: Baha E. Abulnaga, Jose Guitian, Sara Ouzts Lindsay
  • PROCESS FOR RECOVERING ULTRAFINE SOLIDS FROM A HYDROCARBON LIQUID
    Publication number: 20100122938
    Abstract: A method for separating and recovering ultrafine particulate solid material from a suspension or slurry of the solid material and a hydrocarbon liquid by precipitation or flocculation of a heavy fraction of the hydrocarbon liquid with an effective amount of a precipitation or flocculation agent such that the precipitated heavy fraction encapsulates the particulate solid material. The method further comprises coking the precipitated heavy fraction and grinding the coked product to an ultrafine size.
    Type: Application
    Filed: January 21, 2010
    Publication date: May 20, 2010
    Inventors: Baha E. Abulnaga, Jose Guitian, Sara Ouzts Lindsay
  • Process for recovering ultrafine solids from a hydrocarbon liquid
    Patent number: 7674369
    Abstract: A method for separating and recovering ultrafine particulate solid material from a suspension or slurry of the solid material and a hydrocarbon liquid by precipitation or flocculation of a heavy fraction of the hydrocarbon liquid with an effective amount of a precipitation or flocculation agent such that the precipitated heavy fraction encapsulates the particulate solid material. The method further comprises coking the precipitated heavy fraction and grinding the coked product to an ultrafine size.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: March 9, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventors: Baha E. Abulnaga, Jose Guitian, Sara Ouzts Lindsay
  • PROCESS FOR RECOVERING ULTRAFINE SOLIDS FROM A HYDROCARBON LIQUID
    Publication number: 20080156700
    Abstract: A method for separating and recovering ultrafine particulate solid material from a suspension or slurry of the solid material and a hydrocarbon liquid by precipitation or flocculation of a heavy fraction of the hydrocarbon liquid with an effective amount of a precipitation or flocculation agent such that the precipitated heavy fraction encapsulates the particulate solid material. The method further comprises coking the precipitated heavy fraction and grinding the coked product to an ultrafine size.
    Type: Application
    Filed: December 29, 2006
    Publication date: July 3, 2008
    Applicant: Chevron U.S.A. INC.
    Inventors: Baha E. Abulnaga, Jose Guitian, Sara Ouzts Lindsay