Granted Patent
Utility
US 4,235,847 · App. 05/917,606
Vapor/liquid distributor for fixed-bed catalytic reaction chambers
Inventor:
Norman H. Scott
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: Jun 21, 1978
Inventor
Norman H. Scott
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.