Patents Represented by Attorney Potter Anderson Corporation LLP

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  • Pouch making process including use of liquid packaging films of polyethylene and polypropylene blends
    Patent number: 8196373
    Abstract: This invention relates to blends of polyethylene and polypropylene useful to make films for packaging of flowable materials, in particular liquids. In addition to possessing good flex crack resistance, these films can withstand steam sterilization and/or aseptic packaging conditions as they have Hot Tack Initiation Temperatures in the range of from about 100° C. to about 140° C. and Hot Tack Strengths of not more than 5 N/inch in the temperature range from 100° C. to 150° C.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: June 12, 2012
    Assignee: Liqui-Box Corporation
    Inventors: Alan Keith Breck, Nicholas Farkas, Yuqi Cai