ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,867, issued on Nov. 4, was assigned to Basell Poliolefine Italia S.r.l. (Milan).
"Asphalt material" was invented by Monica Galvan (Ferrara, Italy), Claudio Cavalieri (Ferrara, Italy), Gisella Biondini (Ferrara, Italy) and Vincent Baudier (Ferrara, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "Asphalt product made from or containingZ1) from 90 wt % to 98 wt % of mineral aggregate; andZ2) from 2 wt % to 10 wt % of a bitumen composition made from or containingT1) from 99 wt % to 75 wt % of bitumen, andT2) from 1 wt % to 25 wt % of a polymer composition made from or containing A) 5-35% by weight of a propylene ethylene copolymer; B) 20-50% by weig...