ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,533, issued on Dec. 30, was assigned to Basell Poliolefine Italia S.r.l. (Milan).

"Process for the preparation of a catalyst component and components therefrom obtained" was invented by Diego Brita (Ferrara, Italy), Gianni Collina (Ferrara, Italy), Daniele Evangelisti (Ferrara, Italy), Benedetta Gaddi (Ferrara, Italy), Piero Gessi (Ferrara, Italy), Giampiero Morini (Ferrara, Italy), Silvia Soffritti (Ferrara, Italy) and Paolo Vincenzi (Ferrara, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a catalyst component made from or containing Mg, Ti, and at least an electron donor compound (ID), including the steps of: (a) reac...