ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,107, issued on Sept. 1, was assigned to BOREALIS GMBH (Vienna).

"Polymerization process and arrangement" was invented by Mohammad Al-haj Ali (Porvoo, Finland), Charlotta Weber (Stockholm), Henry Sleijster (Sittard-Geleen, Netherlands), Noureddine Ajellal (Porvoo, Finland) and Mubashar Sattar (Porvoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A continuous polymerization process includes combining a first hydrocarbon stream with hydrocarbons recycled from at least one downstream process step to a first combined hydrocarbon stream; continuously polymerizing a first olefin monomer and a first comonomer in the presence of a first polymerizat...