The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2015
Filed:
Jan. 16, 2013
Rao Balakantha Kona, Vienna, AT;
Stefan Schiesser, Linz, AT;
Andreas Hauer, Kirchschlag, AT;
Hansjorg Pramer, Gramastetten, AT;
Rao Balakantha Kona, Vienna, AT;
Stefan Schiesser, Linz, AT;
Andreas Hauer, Kirchschlag, AT;
Hansjorg Pramer, Gramastetten, AT;
Borealis AG, Vienna, AT;
Abstract
The invention pertains to a polypropylene composition consisting of: 55 to 79 wt % base polymer mix; 18 to 44.5 wt % talc; and 0.5 to 3 wt % additives based on the total weight of the polypropylene composition, the base polymer mix containing a XCU fraction and a XCS fraction and the XCU fraction being present in an amount of 91 to 98 wt % and the XCS fraction being present in an amount of 2 to 9 wt %; the base polymer mix containing a comonomer content of less than 5 wt % with respect to the base polymer mix; the talc having a d50 median particle size of 1.0 to 3.0 μm when measured according to ISO 13317-3 15 using a Sedigraph; and the composition having a MFR (230° C./2.16 kg; ISO 1133) of 1 to 10 g/10 min. a process for the production of such a polypropylene composition and article comprising said polypropylene composition.