Sun Chemical  finalized the previously announced redemption of its 50 percent share in Kodak Polychrome Graphics (KPG), a joint venture established in 1988 with Eastman Kodak Company. Prior to the completion of the stock redemption, Sun Chemical and Kodak had each owned half of KPG.      Cash payments for the redemption total $816.5 million, to be paid over several years, and $316.5 million was received at the closing. Existing sales and distribution arrangements between KPG and Sun Chemical w...