Granted Patent
Utility
US 4,986,926 · App. 07/336,566
Thickened alkali metal hypochlorite compositions
Inventor:
Eugene Hoffman
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Apr 10, 1989
Inventor
Eugene Hoffman
Assignee (at issue)
The Drackett Company
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.