Granted Patent
Utility
US 4,950,668 · App. 07/181,695
Pyrazole derivative, insecticidal or miticidal composition containing the same as the effective ingredient
Inventors:
Itaru Okada, Shuko Okui, Yoji Takahashi, Toshiki Fukuchi
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Apr 14, 1988
Inventors
Itaru Okada
Shuko Okui
Yoji Takahashi
Toshiki Fukuchi
Assignee (at issue)
Mitsubishi Kasei Corporation
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.