ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,556, issued on May 26, was assigned to Basell Poliolefine Italia S.r.l. (Milan).
"Ultrasoft polyolefin composition" was invented by Michele Grazzi (Ferrara, Italy), Monica Galvan (Ferrara, Italy), Gisella Biondini (Ferrara, Italy) and Marco Ciarafoni (Ferrara, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyolefin composition made from or containing: (I) 50-95% by weight of a heterophasic polyolefin composition made from or containing: (A) 10-40% by weight of a propylene polymer selected from the group consisting of propylene homopolymers and copolymers of propylene with an alpha-olefin, having 1.0-6.0% by weight of units deriving from the...