Granted Patent
Utility
US 4,920,101 · App. 07/103,445
Compositions comprising 1-oxo- or thiohydrocarbyl substituted azacycloaklkanes
Inventors:
Gevork Minaskanian, James V. Peck
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Sep 30, 1987
Inventors
Gevork Minaskanian
James V. Peck
Assignee (at issue)
Nelson Research & Development Company
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.