Patents by Inventor ALLAN W. K. LEUNG

ALLAN W. K. LEUNG 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).

  • Froth washing prior to naphtha dilution
    Patent number: 10781375
    Abstract: A method for processing bitumen froth to produce a diluted bitumen product having a reduced water and solids content is provided, comprising: adding a sufficient amount of water to the bitumen froth and mixing the bitumen froth and water to form a froth/water mixture; diluting the froth/water mixture with naphtha to form a diluted froth; and separating the water and solids from the diluted froth to produce the diluted bitumen product.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: September 22, 2020
    Assignee: SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such owners exist now and in the future
    Inventors: Yin Ming Samson Ng, Sujit Bhattacharya, Allan W. K. Leung
  • FROTH WASHING PRIOR TO NAPHTHA DILUTION
    Publication number: 20190078024
    Abstract: A method for processing bitumen froth to produce a diluted bitumen product having a reduced water and solids content is provided, comprising: adding a sufficient amount of water to the bitumen froth and mixing the bitumen froth and water to form a froth/water mixture; diluting the froth/water mixture with naphtha to form a diluted froth; and separating the water and solids from the diluted froth to produce the diluted bitumen product.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 14, 2019
    Inventors: YIN MING SAMSON NG, SUJIT BHATTACHARYA, ALLAN W. K. LEUNG