Granted Patent
Utility
US 4,927,827 · App. 07/195,977
Pyridinylpyrimidine derivatives, method for production thereof and a fungicide containing them as the active ingredient
Inventors:
Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue, Masayo Sugano, Hirotaka Tanako
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: May 19, 1988
Inventors
Tsuguhiro Katoh
Kiyoto Maeda
Masao Shiroshita
Norihisa Yamashita
Yuzuru Sanemitsu
Satoru Inoue
Masayo Sugano
Hirotaka Tanako
Assignee (at issue)
SUMITOMO CHEMICAL COMPANY, LIMITED
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.