Granted Patent
Utility
US 5,229,405 · App. 07/866,926
Use of 2-iminothiazolidin-4-one derivatives as novel pharmaceutical active ingredients
Inventors:
Ulrich Feige, Irmgard Wiesenberg, Leo Widler, Pier G. Ferrini, Martin Missbach
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Apr 10, 1992
Inventors
Ulrich Feige
Irmgard Wiesenberg
Leo Widler
Pier G. Ferrini
Martin Missbach
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.