Granted Patent
Utility
US 4,963,583 · App. 07/250,201
Beta-ionone derivatives as antifungal agents
Inventor:
Walter Kunz
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Sep 28, 1988
Inventor
Walter Kunz
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.