ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,174, issued on Jan. 28, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Polypropylene composition" was invented by Tania Weyland (Kaisten, Switzerland), Marie Laure Bertet (Levallois-Perret, France) and Heinz Herbst (Kaisten, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polypropylene composition comprising components A), B) and C), wherein component A) is a hindered amine light stabilizer selected from the group consisting of the compounds of formulae (A-I-1), (A-I-2), (A-I-3), (A-III-1) and (A-IV-1) as defined for the present invention, component B) is a natural or synthetic hydrotalcite, component C) is a phenolic antiox...