US Patent Issued to Borealis on Nov. 4 for "Process for the polymerization of olefins in solution with controlled activity of catalyst in reactor outlet stream" (Finnish, Swedish Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,028, issued on Nov. 4, was assigned to Borealis AG (Vienna).

"Process for the polymerization of olefins in solution with controlled activity of catalyst in reactor outlet stream" was invented by Mohammad Al-haj Ali (Porvoo, Finland), Noureddine Ajellal (Porvoo, Finland) and Charlotta Weber (Stockholm).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polymerisation process, comprising: a) supplying a feed containing ethylene and at least one alpha-olefin having 3 to 12 carbon atoms in a hydrocarbon solvent to a polymerisation reactor, b) contacting the feed of step a) in the reactor with a catalyst to form a reaction mi...