BioCentury
ARTICLE | Clinical News

ImaRx Pharma, DuPont regulatory update

May 3, 1999 7:00 AM UTC

The U.S. Patent and Trademark Office upheld upon re-examination IMRX's U.S. Patent No. 5,547,656 covering low-density, perfluorocarbon gas-filled microspheres used in medical imaging. The patent is ex...