Patents by Inventor Robert Lloyd Nelson

Robert Lloyd Nelson 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).

  • Arborescent polymers and process for making same
    Patent number: 8258230
    Abstract: The present invention relates to arborescent polymers and to a process for making same. In one embodiment, the present invention relates to arborescent polymers formed from at least one inimer and at least one isoolefin that have been end-functionalized with a polymer or copolymer having a low glass transition temperature (Tg), and to a process for making such arborescent polymers. In another embodiment, the present invention relates to arborescent polymers formed from at least one inimer and at least one isoolefin that have been end-functionalized with less than about 5 weight percent end blocks derived from a polymer or copolymer having a high glass transition temperature (Tg), and to a process for making such arborescent polymers.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: September 4, 2012
    Assignees: The University of Akron, Lanxess, Inc.
    Inventors: Gabor Kaszas, Judit Puskas, Kevin Kulbaba, Robert Lloyd Nelson
  • ARBORESCENT POLYMERS AND PROCESS FOR MAKING SAME
    Publication number: 20100249316
    Abstract: The present invention relates to arborescent polymers and to a process for making same. In one embodiment, the present invention relates to arborescent polymers formed from at least one inimer and at least one isoolefin that have been end-functionalized with a polymer or copolymer having a low glass transition temperature (Tg), and to a process for making such arborescent polymers. In another embodiment, the present invention relates to arborescent polymers formed from at least one inimer and at least one isoolefin that have been end-functionalized with less than about 5 weight percent end blocks derived from a polymer or copolymer having a high glass transition temperature (Tg), and to a process for making such arborescent polymers.
    Type: Application
    Filed: August 31, 2007
    Publication date: September 30, 2010
    Applicants: THE UNIVERSITY OF AKRON, LANXESS, INC.
    Inventors: Gabor Kaszas, Judit Puskas, Kevin Kulbaba, Robert Lloyd Nelson