Granted Patent
Utility
US 6,486,274 · App. 09/687,688
Hydrogen response Ziegler-Natta catalyst for narrowing MWD of polyolefin, method of making, method of using, and polyolefins made therewith
Inventors:
Steven D. Gray, Tim Coffy
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Oct 13, 2000
Inventors
Steven D. Gray
Tim Coffy
Assignee (at issue)
Fina Technology, 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.