Patents by Inventor Frederik Elkink

Frederik Elkink 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).

  • Cord comprising multifilament para-aramid yarn comprising non-round filaments
    Patent number: 10633767
    Abstract: A cord including multifilament para-aramid yarn comprising filaments, wherein the filaments have a non-round cross section having a smaller and a larger dimension, where the cross-sectional aspect ratio between the larger and the smaller dimension is 1.5-10 and the smaller dimension of the cross section has a maximum of 50 ?m and wherein the para-aramid has at least 90% para bonds between the aromatic moieties. The cords have excellent fatigue properties.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: April 28, 2020
    Assignee: TEIJIN ARAMID B.V.
    Inventors: Jorrit De Jong, Michel H. J. Van Den Tweel, Frederik Elkink, Leonardus A. G. Busscher
  • CORD COMPRISING MULTIFILAMENT PARA-ARAMID YARN COMPRISING NON-ROUND FILAMENTS
    Publication number: 20180087188
    Abstract: A cord including multifilament para-aramid yarn comprising filaments, wherein the filaments have a non-round cross section having a smaller and a larger dimension, where the cross-sectional aspect ratio between the larger and the smaller dimension is 1.5-10 and the smaller dimension of the cross section has a maximum of 50 ?m and wherein the para-aramid has at least 90% para bonds between the aromatic moieties. The cords have excellent fatigue properties.
    Type: Application
    Filed: April 21, 2016
    Publication date: March 29, 2018
    Applicant: TEIJIN ARAMID B.V.
    Inventors: Jorrit JONG DE, Michel H.J. TWEEL VAN DEN, Frederik ELKINK, Leonardus A.G. BUSSCHER
  • Cellulose yarn and cord for industrial application
    Patent number: 5856004
    Abstract: The invention is directed to a cellulose filament yarn having a breaking tenacity of higher than 600 mN/tex and containing more than 400 filaments and a cord made therefrom.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: January 5, 1999
    Assignee: Akzo Nobel NV
    Inventors: Hendrik Maatman, Egbert Wilhelmus Christinus Broeren, Frederik Elkink