Granted Patent
Utility
US 5,643,552 · App. 08/524,145
Nanoparticulate diagnostic mixed carbonic anhydrides as x-ray contrast agents for blood pool and lymphatic system imaging
Inventor:
Carl R. Illig
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Aug 22, 1995
Inventor
Carl R. Illig
Assignee (at issue)
Nano Systems L.L.C.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.