Granted Patent
Utility
US 6,043,370 · App. 09/132,230
Method for producing arylamine
Inventors:
Shinji Kubo, Taichi Shintou
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Aug 11, 1998
Inventors
Shinji Kubo
Taichi Shintou
Assignee (at issue)
SANKIO CHEMICAL CO., LTD.
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.