Patents by Inventor Wilfred Castillo

Wilfred Castillo 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).

  • High-barrier packaging material
    Publication number: 20070110932
    Abstract: The invention involves a high-barrier packaging material comprising at least one outer layer of kraft paper, at least one center layer of high-barrier metallized polyethylene terephthalate, and an inner layer of linear low density polyethylene. The packaging material has excellent water vapor and oxygen barrier properties.
    Type: Application
    Filed: November 16, 2005
    Publication date: May 17, 2007
    Inventors: Wilfred Castillo, Grace Mercado