Granted Patent
Utility
US 5,523,072 · App. 08/329,099
Process of producing chlorine dioxide
Inventors:
Helena Falgen, Goran Sundstrom, Johan Landfors, Maria Norell, Roy Hammer-Olsen
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Oct 25, 1994
Inventors
Helena Falgen
Goran Sundstrom
Johan Landfors
Maria Norell
Roy Hammer-Olsen
Assignee (at issue)
Eka Nobel 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.