Granted Patent
Utility
US 4,740,652 · App. 07/019,726
Process for the oligomerization of olefins
Inventor:
Robert R. Frame
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Feb 27, 1987
Inventor
Robert R. Frame
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.