Andaris gets ultrasound contrast patent

Add U.K. firm Andaris to the list of companies with patents on ultrasound contrast technology. The Nottingham firm reported this month that it has received patent No. 5,741,478 from the U.S. Patent and Trademark Office for its microcapsule technology. The patent applies to its Quantison and Myomap ultrasound contrast agents under development, as well as its platelet substitute, Synthocytes, Andaris said.