Granted Patent
Utility
US 5,534,270 · App. 08/386,028
Method of preparing stable drug nanoparticles
Inventor:
Lan De Castro
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Feb 9, 1995
Inventor
Lan De Castro
Assignee (at issue)
Nanosystems
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.