Granted Patent
Utility
US 6,433,133 · App. 09/698,749
Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products
Inventor:
Stephen Wayne Coe
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Oct 27, 2000
Inventor
Stephen Wayne Coe
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.