Granted Patent
Utility
US 4,182,741 · App. 05/904,141
Fluid distributor for fixed-bed catalytic reaction zones
Inventors:
Don B. Carson, Frank V. Purse
Patented Case
View Patent ↗
Granted: Jan 8, 1980
Filed: May 9, 1978
Inventors
Don B. Carson
Frank V. Purse
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.