PolyOne to Host Investor Conference Call PR Newswire CLEVELAND, March 18, 2020 CLEVELAND , March 18, 2020 /PRNewswire/ -- PolyOne Corporation (NYSE: POL) a premier provider of specialized polymer materials, services and solutions, today announced that it will hold a special investor conference call on Friday, March 20, 2020 at 9:00 am Eastern Time . Robert M. Patterson , Chairman, President and CEO, and Bradley C. Richardson , Executive Vice President and CFO, will provide insights and...