Granted Patent
Utility
US 5,770,171 · App. 07/486,122
Process for production of chlorine dioxide
Inventors:
Birgitta Sundblad, Anders Dahl, John Winters
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Mar 5, 1990
Inventors
Birgitta Sundblad
Anders Dahl
John Winters
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.