Granted Patent
Utility
US 4,428,827 · App. 06/460,433
FCC Sulfur oxide acceptor
Inventors:
Simon H. Hobbs, Edward S. Rogers, George J. Antos
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Jan 24, 1983
Inventors
Simon H. Hobbs
Edward S. Rogers
George J. Antos
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.