Granted Patent
Utility
US 4,709,111 · App. 07/019,824
Oligomerization process with integrated heat utilization
Inventor:
Dennis J. Ward
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Feb 27, 1987
Inventor
Dennis J. Ward
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.