Granted Patent
Utility
US 4,870,107 · App. 07/105,735
N-(2-chloro-4-nitrophenyl)-(benzenesulfonamide derivative and agricultural fungicide containing same
Inventors:
Takeo Yoshimoto, Mitsumasa Umemoto, Keiichi Igarashi, Yutaka Kubota, Hideo Yamazaki, Yuji Enomoto, Hirohisa Yanagita
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Oct 7, 1987
Inventors
Takeo Yoshimoto
Mitsumasa Umemoto
Keiichi Igarashi
Yutaka Kubota
Hideo Yamazaki
Yuji Enomoto
Hirohisa Yanagita
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.