Granted Patent
Utility
US 6,184,335 · App. 09/546,597
Salts of aryl sulfonic acids as polymerization catalysts
Inventors:
Patrick Joseph McCloskey, Paul Michael Smigelski, Jr., Timothy Brydon Burnell
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Apr 10, 2000
Inventors
Patrick Joseph McCloskey
Paul Michael Smigelski, Jr.
Timothy Brydon Burnell
Assignee (at issue)
General Electric 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.