Granted Patent
Utility
US 4,528,370 · App. 06/367,631
Polysubstituted 2-morpholones
Inventor:
John T. Lai
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Apr 12, 1982
Inventor
John T. Lai
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.