Patents by Inventor Friedemann REX

Friedemann REX 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).

  • METHOD FOR CUTTING OR PUNCHING CERAMIC-CONTAINING COMPOSITE MATERIALS
    Publication number: 20100024614
    Abstract: A method for cutting and/or punching material in which abrasive particles are present within and/or on the surface of a substrate is provided. The material cut or punched is useful as a ceramic separator for electrochemical applications including capacitors, supercapacitors, batteries, lithium ion batteries and lithium metal batteries.
    Type: Application
    Filed: July 22, 2009
    Publication date: February 4, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Friedemann REX, Matthias Pascaly, Martin Trocha, Christian Hying