Granted Patent
Utility
US 4,871,720 · App. 07/121,268
Aromatically substituted azacycloalkyl-alkanediphosphonic acids useful for the treatment of illnesses that can be attributed to calcium metabolism disorders
Inventor:
Knut A. Jaeggi
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Nov 16, 1987
Inventor
Knut A. Jaeggi
Assignee (at issue)
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.