Patents by Inventor Keith E. Eiden

Keith E. Eiden 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).

  • Articles prepared from controlled distribution block copolymers
    Patent number: 7847022
    Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers have mono alkenyl arene end blocks and controlled distribution blocks of mono alkenyl arenes and conjugated dienes. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: December 7, 2010
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Kathryn Wright, Dale Lee Handlin, Jr., Carl Lesley Willis, Margaret Ann Burns Clawson, Hendrik de Groot, Huan Yang, Keith E. Eiden
  • Articles prepared from controlled distribution block copolymers
    Publication number: 20030166776
    Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers have mono alkenyl arene end blocks and controlled distribution blocks of mono alkenyl arenes and conjugated dienes. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.
    Type: Application
    Filed: February 6, 2003
    Publication date: September 4, 2003
    Inventors: Kathryn Wright, Dale Lee Handlin, Carl Lesley Willis, Margaret Ann Burns Clawson, Hendrik de Groot, Huan Yang, Keith E. Eiden