Granted Patent
Utility
US 4,464,480 · App. 06/498,625
Method for obtaining improved catalyst systems
Inventors:
Hassan Windawi, Randy J. Lawson
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: May 27, 1983
Inventors
Hassan Windawi
Randy J. Lawson
Assignee (at issue)
UOP LLC
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.