Patents by Inventor John Riaza

John Riaza 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).

  • Thermoplastic polymer composition comprising trans 1,4-polyisoprene
    Patent number: 4966952
    Abstract: A novel process for providing a thermoplastic polymer having novel thermal characteristics including the critical step of masticating the polymer, either continuously or discontinuously, until the melt index of the polymer is substantially increased.
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: October 30, 1990
    Assignee: The Hygenic Corporation
    Inventor: John Riaza