Patents Assigned to Harfmann Technology, Inc.
  • Low density rigid polyamide foam and method for production
    Publication number: 20050070617
    Abstract: Low density, rigid, Polyamide Foam is produced via reactive extrusion wherein an additive is used to improve melt strength. A particulate nucleator and physical gas are added during extrusion. The homogenous mixture is extruded through an orifice to produce useful articles.
    Type: Application
    Filed: September 29, 2003
    Publication date: March 31, 2005
    Applicant: Harfmann Technology, Inc.
    Inventor: Walter Harfmann