Granted Patent
Utility
US 5,091,188 · App. 07/514,012
Phospholipid-coated microcrystals: injectable formulations of water-insoluble drugs
Inventor:
Duncan H. Haynes
Patented Case
View Patent ↗
Granted: Feb 25, 1992
Filed: Apr 26, 1990
Inventor
Duncan H. Haynes
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.