United Airlines will rebrand its international business class service as Polaris, with new seats and airport lounges from December 2016. The Polaris seat is based on the proprietary Viva design from London's Acumen Design Associates, developed and styled by PriestmanGoode, and will debut on United’s new Boeing 777-300ER fleet by the end of this year. United will also upgrade its Boeing 777-200 and Boeing 767-300 with the new seat, which will also grace the forthcoming Boeing 7...