Granted Patent
Utility
US 3,950,500 · App. 05/542,759
Method of producing chlorine dioxide
Inventor:
Daniel J. Jaszka
Patented Case
View Patent ↗
Granted: Apr 13, 1976
Filed: Jan 21, 1975
Inventor
Daniel J. Jaszka
Assignee (at issue)
Hooker Chemicals & Plastics Corporation
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.