Granted Patent
Utility
US 4,645,587 · App. 06/679,302
Process for removing silicon compounds from hydrocarbon streams
Inventor:
Peter Kokayeff
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Dec 7, 1984
Inventor
Peter Kokayeff
Assignee (at issue)
Union Oil Company of California
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.