Patents Assigned to DuPont Performance Elastomas LLC
  • Patent number: 7390848
    Abstract: Extrusion processability of non-fluorinated melt-processable polymers is improved by introducing a fluoropolymer process aid by means whereby the weight average particle size of the fluoropolymer is greater than 2 microns as it reaches the extruder die entrance.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: June 24, 2008
    Assignee: DuPont Performance Elastomas LLC
    Inventors: George Richard Chapman, Jr., Steven Richard Oriani