Granted Patent
Utility
US 4,625,062 · App. 06/675,225
Process for producing 4-alkoxyanilines
Inventors:
Teruyuki Nagata, Akihiro Tamaki, Hiroki Ohnishi, Hideki Mizuta
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Nov 27, 1984
Inventors
Teruyuki Nagata
Akihiro Tamaki
Hiroki Ohnishi
Hideki Mizuta
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.