Granted Patent
Utility
US 5,833,832 · App. 08/704,898
Preparation of onium hydroxides in an electrochemical cell
Inventors:
Christopher D. Shay, Hossein Sharifian
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Aug 30, 1996
Inventors
Christopher D. Shay
Hossein Sharifian
Assignee (at issue)
SACHEM, INC.
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.