Granted Patent
Utility
US 4,476,335 · App. 06/445,587
Process for preparing mononitrochlorobenzene
Inventors:
Shinji Takenaka, Takeshi Nishida, Joshiro Kanemoto
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Nov 30, 1982
Inventors
Shinji Takenaka
Takeshi Nishida
Joshiro Kanemoto
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.