Patents by Inventor Christopher Wittner

Christopher Wittner 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: 20070197752
    Abstract: This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises contacting an organometal compound, an organoaluminum compound, and a treated solid oxide compound.
    Type: Application
    Filed: April 6, 2007
    Publication date: August 23, 2007
    Applicant: Phillips Petroleum Company
    Inventors: Max McDaniel, Kathy Collins, Gil Hawley, Michael Jensen, Christopher Wittner, Elizabeth Benham, Anthony Eaton, Joel Martin, David Rohlfing, Youlu Yu
  • Publication number: 20060287447
    Abstract: This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises contacting an organometal compound, an organoaluminum compound, and a treated solid oxide compound.
    Type: Application
    Filed: December 21, 2004
    Publication date: December 21, 2006
    Inventors: Youlu Yu, Max MacDaniel, Kathy Collins, Gil Hawley, Michael Jensen, Christopher Wittner, Elizabeth Benham, Anthony Eaton, Joel Martin, David Rohlfing
  • 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: 20050137366
    Abstract: This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises a post-contacted organometal compound, a post-contacted organoaluminum compound, and a post-contacted treated solid oxide compound.
    Type: Application
    Filed: November 19, 2004
    Publication date: June 23, 2005
    Inventors: Max McDaniel, Kathy Collins, Gil Hawley, Michael Jensen, Elizabeth Benham, Anthony Eaton, Joel Martin, Christopher Wittner