Granted Patent
Utility
US 4,840,959 · App. 07/084,173
Pyridinecarboxamide derivatives and their use as fungicide
Inventors:
Masatsugu Oda, Naoko Sasaki, Toshiro Sakaki, Hirofumi Tomita, Nobuyuki Nonaka
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Aug 12, 1987
Inventors
Masatsugu Oda
Naoko Sasaki
Toshiro Sakaki
Hirofumi Tomita
Nobuyuki Nonaka
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.