Granted Patent
Utility
US 6,716,936 · App. 10/320,003
Cascaded boiling pool slurry reactors for producing bimodal low to medium density polyethylene polymers
Inventors:
Patrick McGrath, Ronald J. Morris, Roy W. Kreitz
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Dec 16, 2002
Inventors
Patrick McGrath
Ronald J. Morris
Roy W. Kreitz
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.