Granted Patent
Utility
US 5,672,779 · App. 08/641,431
Ester compound, active agent for controlling noxious insect pests containing the same as active ingredient, intermediate for production of the ester compound and process for producing the intermediate
Inventors:
Tomonori Iwasaki, Masaya Suzuki, Takashi Furukawa, Kazunori Tsushima, Takao Ishiwatari, Toru Tsuchiya
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: May 1, 1996
Inventors
Tomonori Iwasaki
Masaya Suzuki
Takashi Furukawa
Kazunori Tsushima
Takao Ishiwatari
Toru Tsuchiya
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.