Patents by Inventor Timothy E. Rigdon

Timothy E. Rigdon 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).

  • Method for manufacturing articles with materials containing tapered polymers
    Publication number: 20040115381
    Abstract: Embodiments include articles without plasticizers, having improved clarity, kink resistance, flexibility, melt fracture and die lines. Manufacturing may be conducted with materials comprising polymodal tapered polymers prepared from copolymerizing at least one monovinyl aromatic monomer and at least one conjugated diene monomer followed by coupling with at least one coupling agent.
    Type: Application
    Filed: December 12, 2002
    Publication date: June 17, 2004
    Applicant: Chevron Phillips Chemical Company, LP
    Inventors: Justin L. Harris, Shawn R. Kennedy, Jianxin J. Kuang, Mark Hanes, William W. Potter, Nathan E. Stacy, Lee A. Carvell, Timothy E. Rigdon, Larry L. Nash