US Patent Issued to Basell Poliolefine Italia on Feb. 17 for "Mixtures of bitumen and polymer compositions" (Italian Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,709, issued on Feb. 17, was assigned to Basell Poliolefine Italia S.r.l. (Milan).

"Mixtures of bitumen and polymer compositions" 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: "A mixture made from or containing T1) from 99 wt % to 75 wt % of bitumen, and T2) 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 weight of an ethylene homopolymer; and C) 30-60% by weight of a terpolymer of ethylene, propylene and 1-bu...