Patents by Inventor Ptoshia Avon Burnett

Ptoshia Avon Burnett 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).

  • Removal of nitrogen, sulfur, and alkylating agents from hydrocarbon streams
    Patent number: 7473351
    Abstract: The present invention provides a process for reducing the nitrogen content of a liquid hydrocarbon feed wherein said process comprises a) contacting a liquid hydrocarbon feed comprising an alkylating agent and organic nitrogen species with an acidic catalyst at elevated temperature in a first reaction zone to generate a liquid hydrocarbon feed comprising a reduced alkylating agent content and organic nitrogen species of higher boiling point. b) fractionating the liquid hydrocarbon feed comprising a reduced alkylating agent content and organic nitrogen species of higher boiling point to remove the organic nitrogen species of higher boiling point to generate a liquid hydrocarbon feed comprising a reduced alkylating agent content and a reduced nitrogen content.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: January 6, 2009
    Assignee: BP Corporation North America Inc.
    Inventors: Ptoshia Avon Burnett, Michael Graham Hodges, Thomas Knox