Granted Patent
Utility
US 4,310,589 · App. 06/186,544
2-(Pyridyl-cyclopropyl)chromones
Inventors:
Gianfederico Doria, Ciriaco Romeo, Maria L. Corno, Piero Sberze, Marcellino Tibolla
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Sep 12, 1980
Inventors
Gianfederico Doria
Ciriaco Romeo
Maria L. Corno
Piero Sberze
Marcellino Tibolla
Assignee (at issue)
Farmitalia Carlo Erba S.p.A.
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.