Granted Patent
Utility
US 4,839,152 · App. 07/173,476
Process for producing an aqueous solution containing chlorine dioxide and chlorine
Inventors:
Philip A. Vella, Manfred Noack
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Mar 25, 1988
Inventors
Philip A. Vella
Manfred Noack
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.