Patents by Inventor Paul D. Capponi

Paul D. Capponi 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).

  • Melt-extruded multilayer polyethylene bag film
    Patent number: 4356221
    Abstract: A multi-layer polyethylene film especially suitable for garbage and refuse bags, comprising a first layer of at least 75 wt. % high pressure-low density polyethylene (HPLPDE), and at least a second layer of HPLDPE and low pressure-low density polyethylene (LPLDPE), in which the LPLDPE is less than about 25 wt. % of the LPLDPE plus HPLDPE total weight.
    Type: Grant
    Filed: May 15, 1981
    Date of Patent: October 26, 1982
    Assignee: Union Carbide Corporation
    Inventors: John Anthony, Frank J. Velisek, Paul D. Capponi