Granted Patent
Utility
US 5,112,385 · App. 07/545,837
Substituted pyridyloxyureas and use thereof as herbicides
Inventors:
Isao Hashimoto, Tatsuyodihi Ishida, Kazutaka Tsuru, Yuji Yamada, Takeshige Miyazawa, Yasuo Nakamura, Susumu Katou, Katsuya Takahashi
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Jun 29, 1990
Inventors
Isao Hashimoto
Tatsuyodihi Ishida
Kazutaka Tsuru
Yuji Yamada
Takeshige Miyazawa
Yasuo Nakamura
Susumu Katou
Katsuya Takahashi
Assignees (at issue)
KUMIAI CHEMICAL INDUSTRY CO., LTD.
Mitsui Petrochemical 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.