Patents by Inventor Marianne Radatz

Marianne Radatz 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).

  • Sizing for glass fibers
    Patent number: 5034276
    Abstract: The invention relates to a sizing for the treatment of glass fibers, which are incorporated into thermoplastic materials as reinforcement. The sizing contains a Schiff's base, preferably in concentrations of 0.05 to 2% by weight, based on the dry matter. Through the use of a sizing with this component, the tensile and impact strength properties of the glass fiber-reinforced thermoplastic materials are improved significantly.Key WordsSizing, glass fibers, roving preparation, glass fiber reinforcement, thermoplastic materials, tensile properties, tenacity properties.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: July 23, 1991
    Assignee: Akademie der Wissenschaften der DDR
    Inventors: Manfred Zwiersch, Edith Mader, Karl-Heinz Freitag, Rosemarie Plonka, Marianne Radatz, Heinz Momberg, Manfred Barth