ALTANA has signed an agreement to acquire the Color Chemie Group. The chemical company, which is headquartered in Büdingen, Hesse, Germany, mainly produces environmentally friendly, water-based specialty printing inks and offers related services to its customers.     Color Chemie’s printing inks are primarily used for packaging boxes, but also on foils, carrier bags, gift wrapping papers and wallpapers. In 2010, the Color Chemie Group achieved sales of €46 million with about 150 employees....