Granted Patent
Utility
US 4,060,526 · App. 05/716,925
1-Heterocyclic alkyl-1,2,3,4-tetrahydroquinazolinones and analgesic intermediates thereof
Inventor:
Bola V. Shetty
Patented Case
View Patent ↗
Granted: Nov 29, 1977
Filed: Aug 23, 1976
Inventor
Bola V. Shetty
Assignee (at issue)
Pennwalt Corporation
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.