Patents by Inventor Jack Shirrell

Jack Shirrell 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).

  • Ethylene-propylene copolymer low noise film additive
    Patent number: 6086996
    Abstract: The invention pertains to an ethylene-propylene copolymer which when added to stretch film used in palletizing reduces the noise involved in use. The ethylene-propylene copolymer tackifier has a weight average molecular weight in the range of 7,000 to 18,000 and an ethylene content of 15-28 weight percent and results in polyethylene stretch films having both desirable cling and noise levels.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: July 11, 2000
    Assignee: Illinois Tool Works Inc.
    Inventors: Michael J. Rancich, Jack Shirrell