Granted Patent
Utility
US 5,225,437 · App. 07/823,960
1,2,4-trioxane compounds having antimalarial activity
Inventors:
Gary H. Posner, Chang Hyun Oh
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Jan 23, 1992
Inventors
Gary H. Posner
Chang Hyun Oh
Assignee (at issue)
The Johns Hopkins University
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.