Sensient Technologies Corporation, Milwaukee, WI, announced it has acquired ECS Specialty Inks and Dyes, a producer and marketer of inks for specialty printing applications. The business is located in Morges, Switzerland and reported revenues of approximately $12 million last year. Terms of the purchase were not disclosed.      The acquisition of ECS along with the acquisition of Germany-based SynTec earlier this year will provide a strategic base for building Sensient’s rapidly growing inks a...