Patents by Inventor Erwin Pirklbauer

Erwin Pirklbauer 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).

  • Polypropylene composition with excellent surface appearance
    Patent number: 11332603
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO1) having an intrinsic viscosity (IV) of the xylene soluble fraction (XCS) above 3.5 dl/g, an inorganic filler (F) and a nucleating agent (NU) being a dicarboxylic acid and/or a salt thereof. Further, the present invention is directed to the use of said polypropylene composition (C) for the production of a foamed article as well as a foamed article comprising said polypropylene composition (C). The present invention is also directed to the use of a nucleating agent (NU) being dicarboxylic acid and/or a salt thereof for the reduction of tigerskin of a polypropylene composition.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 17, 2022
    Assignee: BOREALIS AG
    Inventors: Daniela Mileva, Susanne Kahlen, Georg Grestenberger, Anton Sageder, Christof Wurnitsch, Anna Hartl, Patrick Rover, Erwin Pirklbauer