Patents by Inventor Melanie WISNIEWSKI

Melanie WISNIEWSKI 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).

  • BIAXIALLY ORIENTED POROUS FILM HAVING A PARTICLES-CONTAINING POROUS LAYER AND AN INORGANIC COATING
    Publication number: 20200238672
    Abstract: The invention relates to a biaxially oriented, single- or multi-layer porous film, containing a ?-nucleating agent and comprising at least one porous layer, which contains at least one propylene polymer and particles, said particles having a melting point of more than 200° C. On the outer surface of the porous layer, said porous film has a coating of inorganic, preferably ceramic particles.
    Type: Application
    Filed: October 18, 2016
    Publication date: July 30, 2020
    Inventors: Bertram SCHMITZ, Melanie WISNIEWSKI
  • Ion-exchange membrane made of a biaxially stretched ?-porous film
    Patent number: 10340544
    Abstract: The invention describes an ion exchange membrane formed from a biaxially orientated single or multiple-layered ?-porous polypropylene film which comprises at least one ?-nucleating agent and an ion-conducting polymer and has a Gurley value of at least 10000 s.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: July 2, 2019
    Assignee: Treofan Germany GmbH & Co. KG
    Inventors: Bertram Schmitz, Detlef Busch, Melanie Wisniewski
  • ION-EXCHANGE MEMBRANE MADE OF A BIAXIALLY STRETCHED ß-POROUS FILM
    Publication number: 20160322662
    Abstract: The invention describes an ion exchange membrane formed from a biaxially orientated single or multiple-layered ?-porous polypropylene film which comprises at least one ?-nucleating agent and an ion-conducting polymer and has a Gurley value of at least 10000 s.
    Type: Application
    Filed: December 16, 2014
    Publication date: November 3, 2016
    Inventors: Bertram SCHMITZ, Detlef BUSCH, Melanie WISNIEWSKI