Patents Assigned to Armacell, LLC
  • Methods for lowering the density and increasing the flexibility of thermoplastic foams
    Patent number: 6245267
    Abstract: A flexible, low density thermoplastic foam and a method for lowering the density and increasing the flexibility of a thermoplastic foam having a melting temperature and being either amorphous with a softening temperature or semicrystalline with a glass transition temperature.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: June 12, 2001
    Assignee: Armacell, LLC
    Inventors: David W. Kreiser, Allan L. Dinkel, Juerg Patrik Weibel