Granted Patent
Utility
US 4,608,436 · App. 06/721,936
Piperidine compounds
Inventors:
Giuseppe Cantatore, Valerio Borzatta
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Apr 9, 1985
Inventors
Giuseppe Cantatore
Valerio Borzatta
Assignee (at issue)
Ciba-Geigy S.p.A.
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.