Patents by Inventor Lorita Davis

Lorita Davis 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).

  • High temperature, low oxidation stabilization of pitch fibers
    Publication number: 20030178340
    Abstract: The present invention provides a process for thermosetting pitch fibers in reduced times, at low concentrations of oxygen and at higher temperatures than previously possible. Additionally, the present invention provides a pitch fiber which has an oxygen diffusion rate to the center of the fiber which is competitive with the rate of oxidation at the fiber's surface. Further, the present invention provides a high density pitch fiber batt which thermosets without loss of fiber structure.
    Type: Application
    Filed: March 24, 2003
    Publication date: September 25, 2003
    Applicant: ConocoPhillips Company
    Inventors: Andrea K. Zimmerman, John A. Rodgers, H. Ernest Romine, James R. McConaghy, Lorita Davis
  • High temperature, low oxidation stabilization of pitch fibers
    Patent number: 6582588
    Abstract: The present invention provides a process for thermosetting pitch fibers in reduced times, at low concentrations of oxygen and at higher temperatures than previously possible. Additionally, the present invention provides a pitch fiber which has an oxygen diffusion rate to the center of the fiber which is competitive with the rate of oxidation at the fiber's surface. Further, the present invention provides a high density pitch fiber batt which thermosets without loss of fiber structure.
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: June 24, 2003
    Assignee: ConocoPhillips Company
    Inventors: Andrea K. Zimmerman, John A. Rodgers, H. Ernest Romine, James R. McConaghy, Lorita Davis
  • High temperature, low oxidation stabilization of pitch fibers
    Patent number: 6123829
    Abstract: The present invention provides a process for thermosetting pitch fibers in reduced times, at low concentrations of oxygen and at higher temperatures than previously possible. Additionally, the present invention provides a pitch fiber which has an oxygen diffusion rate to the center of the fiber which is competitive with the rate of oxidation at the fiber's surface. Further, the present invention provides a high density pitch fiber batt which thermosets without loss of fiber structure.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: September 26, 2000
    Assignee: Conoco Inc.
    Inventors: Andrea K. Zimmerman, John A. Rodgers, H. Ernest Romine, James R. McConaghy, Lorita Davis