Granted Patent
Utility
US 5,348,665 · App. 07/979,538
Method for the degradation of harmful substances in water by means of hydrogen peroxide under UV irradiation
Inventors:
Peter Schulte, Michael Volkmer, Frank Dieter Kuhn
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Nov 20, 1992
Inventors
Peter Schulte
Michael Volkmer
Frank Dieter Kuhn
Assignee (at issue)
Degussa AG
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.