Patents Assigned to Westvaco Copration
  • Paperboard packaging with an improved sizing layer including a styrene maleic anhydride binder for reducing edgewicking
    Patent number: 5747141
    Abstract: This invention relates to substrates for paperboard packing with an improved sizing layer including a styrene maleic anhydride binder for reducing edgewicking. Such structures of this type, generally, reduce the edgewick in the paperboard package such that catastrophic failure of the paperboard package is substantially reduced.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: May 5, 1998
    Assignee: Westvaco Copration
    Inventor: Robinson Camden Perkins Claytor