On Sept. 30, J.M. Huber Corporation will officially acquire CP Kelco from Lehman Brothers Merchant Banking Partners II L.P. Terms were not disclosed. Huber owns a minority interest in the company, which it acquired from Hercules, Inc. in February. Upon closing, J.M. Huber expects CP Kelco to become part of Huber’s Engineered Materials sector, which includes Huber Engineered Materials and Noviant....