Granted Patent
Utility
US 5,114,698 · App. 07/567,836
Method for stabilizing sodium dithionite
Inventors:
Donald M. Oglesby, George Edward Wells
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Aug 15, 1990
Inventors
Donald M. Oglesby
George Edward Wells
Assignee (at issue)
Hoechst Celanese Corporation
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.