Patents by Inventor Shirley Martin

Shirley Martin 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).

  • Publication number: 20080058199
    Abstract: This invention provides a compositions that are useful for polymerizing at least one monomer into at least one polymer.
    Type: Application
    Filed: October 30, 2007
    Publication date: March 6, 2008
    Applicant: PHILLIPS PETROLEUM COMPANY
    Inventors: Max McDaniel, Elizabeth Benham, Shirley Martin, Kathy Collins, James Smith, Gil Hawley, Christopher Wittner, Michael Jensen
  • Publication number: 20060040822
    Abstract: The present invention provides new catalyst compositions, methods of preparing a catalyst composition, and methods for polymerizing ethylene and other olefins. In one aspect, a catalyst composition comprising an ion-exchangable support such as a pillared clay; a transition metal compound in which the metal has a dn electron configuration, wherein n is greater than or equal to 4 and less than or equal to 8; and an organometal cocatalyst is disclosed.
    Type: Application
    Filed: August 23, 2004
    Publication date: February 23, 2006
    Inventors: Joseph Shveima, Shirley Martin, Nancy Eilerts, Lloyd Guatney
  • Publication number: 20050197470
    Abstract: This invention provides a compositions that are useful for polymerizing at least one monomer into at least one polymer.
    Type: Application
    Filed: November 22, 2004
    Publication date: September 8, 2005
    Inventors: Max McDaniel, Elizabeth A. Benham, Shirley Martin, Kathy Collins, James L. Smith, Gil Hawley, Christopher Wittner, Michael Jensen
  • Publication number: 20050131173
    Abstract: This invention provides compositions that are useful for polymerizing at least one monomer into at least one polymer.
    Type: Application
    Filed: February 4, 2005
    Publication date: June 16, 2005
    Inventors: Max McDaniel, Shirley Martin, Kathy Collins, Marvin Johnson