As part of its plans to grow niche contrast media products business, JB Chemicals & Pharmaceuticals Ltd. (JBCPL) has launched Definity vial, an ultrasound contrast imaging product in India under exclusive marketing arrangement with Lantheus Medical Imaging, Inc. USA, a leading diagnostic medical imaging products company. Definity is currently marketed in North America, Australia and New Zealand, parts of the Pacific Rim and several countries in the Middle East.