Patents Assigned to Co-Ex Plastics, Inc.
  • Patent number: 5116677
    Abstract: An improved co-extruded stretch-wrap film having differential cling properties is provided having a core layer and first and second skin layers. The core layer contains an ethylene copolymer having in polymerized form a major portion of ethylene and a minor portion of an olefin, preferably hexene, the first skin layer contains an ethylene copolymer having in polymerized form a major portion of ethylene and a minor portion of an olefin, preferably butene, and the second skin layer contains a copolymer having in polymerized form a major portion of ethylene and a minor portion of vinyl acetate. The core layer may also contain recycled film of the above description in an amount up to about 20% by weight.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: May 26, 1992
    Assignee: Co-Ex Plastics, Inc.
    Inventor: Jerry F. Jones
  • Patent number: 4923750
    Abstract: An improved co-extruded stretch-wrap film which includes a core layer and at least one skin layer. The core layer containing a linear low density copolymer of ethylene and an olefin containing from about 4 to about 10 carbon atoms, and the at least one skin layer containing a linear low density copolymer of ethylene and an olefin containing not more than three carbon atoms different than the olefin in the core layer copolymer. The core layer may also contain recycled film of the above description in an amount of up to about 20 weight percent.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: May 8, 1990
    Assignee: Co-Ex Plastics, Inc.
    Inventor: Jerry F. Jones