Granted Patent
Utility
US 4,378,305 · App. 06/265,504
Catalytic composite particularly useful for the oxidation of mercaptans and the removal of gums contained in a sour petroleum distillate
Inventor:
David H. J. Carlson
Patented Case
View Patent ↗
Granted: Mar 29, 1983
Filed: May 20, 1981
Inventor
David H. J. Carlson
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.