Granted Patent
Utility
US 4,330,676 · App. 05/918,266
Oxidation process
Inventor:
Peter Moxham
Patented Case
View Patent ↗
Granted: May 18, 1982
Filed: Jun 22, 1978
Inventor
Peter Moxham
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.