Granted Patent
Utility
US 5,487,881 · App. 08/120,814
Process of producing chlorine dioxide
Inventors:
Helena Falgen, Goran Sundstrom, Johan Landfors, John C. Sokol
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Sep 15, 1993
Inventors
Helena Falgen
Goran Sundstrom
Johan Landfors
John C. Sokol
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.