Patents by Inventor Brian L. Joss

Brian L. Joss 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).

  • Polypropylene-polyphthalamide blends
    Patent number: 5283284
    Abstract: Polypropylene resins are improved in mechanical properties and in rigidity without loss in thermal processability when blended with polyphthalamide resins together with a minor amount of a carboxylated polyolefin compatibilizing aid. Filled compositions, including glass-filled polypropylenes are similarly benefited when blended with a polyphthalamide and a carboxylated polyolefin compatibilizing aid.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: February 1, 1994
    Assignee: Amoco Corporation
    Inventors: Gary T. Brooks, Brian L. Joss, Charles L. Myers