Granted Patent
Utility
US 3,933,987 · App. 05/072,941
Simultaneous production of chlorine dioxide and a salt of a strong acid
Inventors:
Arthur C. Schulz, Herbert J. Rosen
Patented Case
View Patent ↗
Granted: Jan 20, 1976
Filed: Sep 17, 1970
Inventors
Arthur C. Schulz
Herbert J. Rosen
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.