Patents by Inventor Kathryn Simmons

Kathryn Simmons 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).

  • Patent number: 5617707
    Abstract: A monolayer or multilayer (i.e., a composite or laminate) stretch wrap film is fabricated from a linear low density polyethylene (LLDPE) possessing a significant level of cling force not attributable to added cling component. The inherent cling force is due to the presence of a relatively high level of n-hexane extractibles in the LLDPE resin.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: April 8, 1997
    Assignee: Mobil Oil Corporation
    Inventor: Kathryn Simmons
  • Patent number: 5273809
    Abstract: A multilayer thermoplastic stretch wrap film having two outer layers, at least one of said layers comprising a layer of a linear low density copolymer of an appha olefin of from 4 to 10 carbon atoms, said copolymer containing from 3.5 to about 15 weight percent of n-hexane extractibles.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: December 28, 1993
    Assignee: Mobil Oil Corporation
    Inventor: Kathryn A. Simmons