Flint Ink Corporation, Ann Arbor, MI, and the SICPA Group, Lausanne, Switzerland, have finalized several business transactions in which Flint Ink has acquired SICPA’s worldwide heatset and coldset ink business and SICPA has acquired Flint Ink’s worldwide business for security inks used on currency and other negotiable instruments. Closing occurred on March 14.      “The exchange supports each company’s business strengths,” said Flint Ink president Dave Frescoln. “Flint Ink is a leading manufac...