Patents by Inventor Stephen J. Schwarz

Stephen J. Schwarz 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).

  • Coextruded, retortable multilayer film
    Patent number: 6599639
    Abstract: A coextruded, retortable film includes a core layer having an ethylene/vinyl alcohol copolymer; two intermediate layers including a polyamide; two adhesive layers including a polymeric adhesive; and two outer layers including low density polyethylene, medium density polyethylene, high density polyethylene, ethylene/alpha olefin copolymer, propylene homopolymer, and/or propylene/alpha olefin copolymer. A method of packaging a product using this film, and a package, are disclosed.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: July 29, 2003
    Assignee: Cryovac, Inc.
    Inventors: Richard M. Dayrit, Steven T. Calvert, Stephen J. Schwarz, Daniel L. McKamy, Brian Rivers, Bobby Ayers
  • Coextruded, retortable multilayer film
    Publication number: 20030017352
    Abstract: A coextruded, retortable film includes a core layer having an ethylene/vinyl alcohol copolymer; two intermediate layers including a polyamide; two adhesive layers including a polymeric adhesive; and two outer layers including low density polyethylene, medium density polyethylene, high density polyethylene, ethylene/alpha olefin copolymer, propylene homopolymer, and/or propylene/alpha olefin copolymer. A method of packaging a product using this film, and a package, are disclosed.
    Type: Application
    Filed: March 16, 2001
    Publication date: January 23, 2003
    Inventors: Richard M. Dayrit, Steven T. Calvert, Stephen J. Schwarz, Daniel L. McKamy, Brian Rivers, Bobby Ayers