Granted Patent
Utility
US 6,767,975 · App. 10/618,938
Olefin polymerization with pyridine moiety-containing singe-site catalysts
Inventor:
Jia Liu
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jul 14, 2003
Inventor
Jia Liu
Assignee (at issue)
Equistar Chemicals, LP
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.