Granted Patent
Utility
US 5,387,660 · App. 08/024,600
Polymerization process
Inventors:
Michael Doyle, Willem Terlouw
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Mar 1, 1993
Inventors
Michael Doyle
Willem Terlouw
Assignee (at issue)
SHELL OIL COMPANY
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.