Granted Patent
Utility
US 4,448,897 · App. 06/377,775
Method for producing a vanadium-titanium catalyst exhibiting improved intrinsic surface area
Inventor:
Robert G. Gastinger
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: May 13, 1982
Inventor
Robert G. Gastinger
Assignee (at issue)
Atlantic Richfield 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.