Granted Patent
Utility
US 5,284,553 · App. 08/042,784
Chlorine dioxide generation from chloric acid
Inventors:
Marek Lipsztajn, Maurice C. J. Fredette, Zbigniew Twardowski, Edward J. Bechberger
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Apr 6, 1993
Inventors
Marek Lipsztajn
Maurice C. J. Fredette
Zbigniew Twardowski
Edward J. Bechberger
Assignee (at issue)
Sterling Canada, 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.