Granted Patent
Utility
US 6,709,650 · App. 09/382,561
Spray-dried microparticles and their use as therapeutic vehicles
Inventors:
Andrew Sutton, Richard A. Johnson, Peter J. Senior, David Heath
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Aug 25, 1999
Inventors
Andrew Sutton
Richard A. Johnson
Peter J. Senior
David Heath
Assignee (at issue)
Elam Drug Delivery Limited
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.