US Patent Issued to Borealis on March 3 for "Polypropylene-polyethylene blends with improved properties" (Austrian, Belgian Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,578, issued on March 3, was assigned to Borealis AG (Vienna).

"Polypropylene-polyethylene blends with improved properties" was invented by Susanne Margarete Kahlen (Linz, Austria), Hermann Braun (Linz, Austria), Yi Liu (Linz, Austria), Meta Cigon (Vienna) and Philip Knapen (Beringen, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a polymer composition comprising at least the following components A) 20 to 75 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) polypropylene; a2) polyethylene; wherein the weight ratio of a1) to a2) is from 3:7 to 12:1; and wherein the polymer blend A) is ...