Granted Patent
Utility
US 4,886,653 · App. 07/173,520
Process and apparatus for producing an aqueous solution containing chlorine dioxide and chlorine
Inventors:
Kenneth E. Gasper, Philip A. Vella
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Mar 25, 1988
Inventors
Kenneth E. Gasper
Philip A. Vella
Assignee (at issue)
Olin 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.