Patents by Inventor Rosanna de Marco

Rosanna de Marco 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).

  • Polypropylene Melt-Blown Sealant Films for Retort Packaging
    Publication number: 20100255232
    Abstract: A polypropylene containing resin composition suitable for use in forming films by the air quenched melt-blown film process for use as a sealing layer in a laminate for retort pouches, The resin composition includes from 80 to 98 percent by weight of a coupled impact propylene copolymer and from 2 to 20 percent by weight of a propylene-ethylene copolymer having from 2 to 10 percent by weight units derived from ethylene, wherein the composition has a melt flow rate of from 0.1 to 2.5 grams/10 minutes.
    Type: Application
    Filed: December 3, 2008
    Publication date: October 7, 2010
    Inventors: Grant W. Duguid, Rosanna de Marco