Patents by Inventor Karen L. Hopperstad

Karen L. Hopperstad 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).

  • ELONGATED FLUOROELASTOMERIC ARTICLES AND METHODS OF MAKING THE SAME
    Publication number: 20190248057
    Abstract: Described herein is method of making elongated fluoroelastomeric articles using a millable composition comprising (a) a random fluorinated polymer, the random fluorinated polymer comprising repeating divalent monomeric units derived from TFE, HFP and VDF and further comprising 0.1 to 1% by weight iodine, wherein the random fluorinated polymer has an MFI greater than 5 g/10 min at 265° C. and 5 kg; (b) a filler, and (c) a peroxide, wherein the millable composition has a melting point less than 125° C. Such compositions can be used to make elongated articles such as stators.
    Type: Application
    Filed: January 29, 2019
    Publication date: August 15, 2019
    Inventors: Michael H. Mitchell, Tatsuo Fukushi, Karen L. Hopperstad, Jarod R. Lowry, Peter J. Scott, Nena M. Serios