Granted Patent
Utility
US 6,291,613 · App. 09/387,601
Process for the polymerization of olefins
Inventors:
Randal Ray Ford, Richard K. Stuart, Jr.
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Aug 31, 1999
Inventors
Randal Ray Ford
Richard K. Stuart, Jr.
Assignee (at issue)
Eastman Chemical 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.