Patents by Inventor John T. Allan

John T. Allan 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).

  • Resilient polyester fibers
    Patent number: 4159617
    Abstract: A resilient drawn polyester textile fiber comprised of at least 50 mol percent of poly(tetramethylene terephthalate) with a bending recovery of at least 55 percent and a toughness of at least 0.75 grams/denier is provided. This fiber, which preferably consists essentially of 100 mol percent poly(tetramethylene terephthalate) and has an initial modulus of less than 350 k.g./mm.sup.2 and a tensile factor of at least about 21, is especially useful in pile fabrics.
    Type: Grant
    Filed: May 27, 1971
    Date of Patent: July 3, 1979
    Assignee: Fiber Industries, Inc.
    Inventor: John T. Allan