ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,072, issued on Nov. 4, was assigned to Basell Poliolefine Italia S.r.l. (Milan).
"Propylene-based composition for pipes" was invented by Sean Comerford (Neath, Great Britain), Monica Galvan (Ferrara, Italy), Giampaolo Pellegatti (Ferrara, Italy) and Francesca Tisi (Ferrara, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyolefin composition made from or containing a first heterophasic polyolefin polymer A) made from or containing a first crystalline propylene homopolymer matrix, a first propylene ethylene copolymer having an ethylene content ranging from 20.0 wt % up to 35.0 wt %, a second propylene ethylene copolymer having an ethylene con...