Granted Patent
Utility
US 5,364,452 · App. 08/108,814
Chemical process for the recovery of metal from an organic complex
Inventors:
Domenico C. Cupertino, Peter A. Tasker
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Aug 19, 1993
Inventors
Domenico C. Cupertino
Peter A. Tasker
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.