Granted Patent
Utility
US 4,297,333 · App. 06/166,020
Method of decomposing hypochlorite ion in a basic solution
Inventors:
Roger A. Crawford, Robert B. Simmons
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Jul 7, 1980
Inventors
Roger A. Crawford
Robert B. Simmons
Assignee (at issue)
PPG Industries, 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.