Patents by Inventor Levi Irwin

Levi Irwin 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).

  • Novel catalyst system for high activity and stereoselectivity in the homopolymerization and copolymerization of olefins
    Publication number: 20060025299
    Abstract: The present invention is directed to a novel composition, and to a method of making the composition, the composition being useful in catalyst systems for the homopolymerization and/or copolymerization of olefins, wherein such catalyst systems display a higher level of activity and stereoselectivity than previously reported. The present invention is also directed to novel polymeric compositions made with such catalyst systems, such as a novel syndiotactic polypropylene that melts at temperatures higher than previously reported.
    Type: Application
    Filed: July 7, 2005
    Publication date: February 2, 2006
    Applicant: Texas A&M University System
    Inventors: Stephen Miller, Levi Irwin