Granted Patent
Utility
US 4,551,235 · App. 06/625,415
Utility conservation in hydrogen recycle conversion processes
Inventor:
Don B. Carson
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Jun 28, 1984
Inventor
Don B. Carson
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.