Granted Patent
Utility
US 5,545,389 · App. 08/304,430
Process for the production of chlorine dioxide
Inventors:
John Winters, John M. Gray, Joel Tenney
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Sep 12, 1994
Inventors
John Winters
John M. Gray
Joel Tenney
Assignee (at issue)
Eka Nobel AB
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.