Granted Patent
Utility
US 4,411,897 · App. 06/225,295
Crystalline salts
Inventor:
Riccardo Scartazzini
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Jan 15, 1981
Inventor
Riccardo Scartazzini
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.