Granted Patent
Utility
US 4,624,937 · App. 06/705,391
Process for removing surface oxides from activated carbon catalyst
Inventor:
Shine K. Chou
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Feb 28, 1985
Inventor
Shine K. Chou
Assignee (at issue)
Monsanto Company
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.