Patents by Inventor Birgit Freitag

Birgit Freitag 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).

  • REINFORCEMENT LAYER MADE OF HYBRID CORDS FOR ELASTOMERIC PRODUCTS
    Publication number: 20100166993
    Abstract: A reinforcement layer for elastomeric products is formed of hybrid cords that are arranged substantially parallel to each other within the layer. The hybrid cords are composed of a first twisted textile yarn made of a first material and a second twisted textile yarn made of a second material. The ends of the two yarns are twisted with each other. The first twisted textile yarn is a polyketone yarn and the second twisted textile yarn is a polyester yarn.
    Type: Application
    Filed: March 12, 2010
    Publication date: July 1, 2010
    Applicant: CONTINENTAL REIFEN DEUTSCHLAND GMBH
    Inventors: Wolfgang Reese, Claus Van Barneveld, Carole Justine, Birgit Freitag