Granted Patent
Utility
US 4,812,450 · App. 07/079,557
Spiro((piperidine-pyrrolidine- or hexahydroazepinyl substituted) pyrrolo(2,1-C) (1,4)benzoxazepines)
Inventors:
Richard C. Effland, Larry Davis, Kevin J. Kapples
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Jul 30, 1987
Inventors
Richard C. Effland
Larry Davis
Kevin J. Kapples
Assignee (at issue)
Hoechst Roussel Pharmaceuticals
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.