Granted Patent
Utility
US 6,818,713 · App. 10/638,592
Process for making polyethylene
Inventors:
Shaotian Wang, Gregory G. Hlatky
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Aug 11, 2003
Inventors
Shaotian Wang
Gregory G. Hlatky
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.