Siegwerk Group of Siegburg, Germany, has signed an agreement to acquire CCI Color Converting Inc., based in Des Moines, IA. The acquisition, which will extend the presence of Siegwerk Group in North America and strengthen its overall global position as a packaging ink market leader, is expected to be finalized in early December. The approval by the U.S. Antitrust Commission is expected by the end of November.      “The packaging industry has a demand for our products and services worldwide,” s...