ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,531, issued on Feb. 11, was assigned to Evonik Operations GmbH (Essen, Germany).
"Amorphous polyalphaolefin-containing polyolefin blend" was invented by Sebastian Babik (Dusseldorf, Germany), Steffen Cepa (Marl, Germany), Sebastian HeBner (Essen, Germany) and Stefan Kirschbaum (Monheim am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a blend containing at least two different polyolefins which is characterized in that it contains as a further constituent an amorphous poly-alpha-olefin which is based on the monomers ethene, propene and 1-butene and has a viscosity at 190deg C. of 200 mPa*s to 200,000 mP...