Granted Patent
Utility
US 5,663,449 · App. 08/470,059
Intermediate compounds in the synthesis of heteroarylpiperidines, pyrrolidines and piperazines
Inventor:
Joseph T. Strupczewski
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Jun 6, 1995
Inventor
Joseph T. Strupczewski
Assignee (at issue)
Hoechst Marion Roussel
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.