Granted Patent
Utility
US 4,824,868 · App. 07/074,581
Propylamine derivatives useful for the treatment of dementia
Inventor:
Jeffrey W. H. Watthey
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Jul 17, 1987
Inventor
Jeffrey W. H. Watthey
Assignees (at issue)
Ciba-Geigy
Ciba-Geigy
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.