Patents by Inventor Stan MAASSEN

Stan MAASSEN 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).

  • CONTINUOUS PROCESS FOR RECYCLING
    Publication number: 20230037211
    Abstract: A continuous process for the recycling of aramid fiber comprising the following steps: combining aramid fibrous material including non-continuous aramid fibers with sulfuric acid to obtain a spin dope comprising aramid, and processing the spin dope including aramid into a continuous aramid fiber. The invention also pertains to a continuous aramid fiber, preferably obtainable by said process, and to a multifilament yarn including the continuous aramid fiber.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 2, 2023
    Applicant: TEIJIN ARAMID B.V.
    Inventors: Hanneke BOERSTOEL, Wido NIJENHUIS, Rene LA FAILLE, Rasid GÜNES, Said BOUDEBAH, Bert GEBBEN, Stan MAASSEN, Naoya KOMIYA