Granted Patent
Utility
US 5,190,930 · App. 07/811,590
Araliphatylaminoalkanediphosphonic acids
Inventor:
Knut A. Jaeggi
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Dec 20, 1991
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.