Granted Patent
Utility
US 6,136,744 · App. 08/990,612
Process for producing polyolefin elastomer employing a metallocene catalyst
Inventors:
Daniel J. Gillis, Richard Karpeles
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Dec 15, 1997
Inventors
Daniel J. Gillis
Richard Karpeles
Assignee (at issue)
Uniroyal Chemical Company, Inc.
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.