Granted Patent
Utility
US 5,608,114 · App. 08/356,642
Disproportionating method of trimethylamine
Inventor:
Tadamitsu Kiyoura
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Dec 15, 1994
Inventor
Tadamitsu Kiyoura
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.