Patents by Inventor Dale A. Figgins

Dale A. Figgins 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).

  • Staged countercurrent oxidation
    Patent number: 7485746
    Abstract: A process for oxidation with oxygen of at least one aromatic hydrocarbon having oxidizable, substituents that maximizes the utilization of oxygen without reduction in the quality of the carboxylic acid products produced by means of a stagewise countercurrent oxidation system is disclosed.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: February 3, 2009
    Assignee: BP Corporation North America Inc.
    Inventors: Frank G. Belmonte, David L. Sikkenga, Olusola Sunday Ogundiran, Kenneth J. Abrams, Linus Kai-Wah Leung, Christopher G. Meller, Dale A. Figgins, Allen B. Mossman
  • Staged countercurrent oxidation
    Publication number: 20050107630
    Abstract: A process for oxidation with oxygen of at least one aromatic hydrocarbon having oxidizable, substituents that maximizes the utilization of oxygen without reduction in the quality of the carboxylic acid products produced by means of a stagewise countercurrent oxidation system is disclosed.
    Type: Application
    Filed: November 14, 2003
    Publication date: May 19, 2005
    Inventors: Frank Belmonte, David Sikkenga, Olusola Ogundiran, Kenneth Abrams, Linus Leung, Christopher Meller, Dale Figgins, Allen Mossman
  • Disposal of petroleum sludge
    Patent number: 4666585
    Abstract: A process for producing delayed petroleum coke wherein petroleum sludge is added to liquid hydrocarbon coker feedstock.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: May 19, 1987
    Assignee: Atlantic Richfield Company
    Inventors: Dale A. Figgins, J. Jay Grove