ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,302, issued on June 24, was assigned to Basell Poliolefine Italia S.r.l. (Milan).

"Propylene based copolymer for containers" was invented by Gianpiero Ferraro (Ferrara, Italy), Marco Ciarafoni (Ferrara, Italy), Claudio Cavalieri (Ferrara, Italy), Caroline Cathelin (Ferrara, Italy) and Giansiro Prini (Ferrara, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propylene/1-hexene copolymer having i) the content of 1-hexene derived units, measured by C13-NMR, ranging from 1.5 wt % to 2.5 wt % and the content of propylene derived units ranging from 97.5 to 98.5 wt. %; ii) a melting temperature, measured by DSC, ranging from 148 to 153deg C.; iii) an...