Granted Patent
Utility
US 5,962,598 · App. 08/688,021
Polyethlene film composition having broad molecular weight distribution and improved bubble stability
Inventors:
Mark P. Mack, James H. Meas, Jr., Paula L. Nygard, Lawrence R. Wallace, Philip J. Garrison
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Jul 26, 1996
Inventors
Mark P. Mack
James H. Meas, Jr.
Paula L. Nygard
Lawrence R. Wallace
Philip J. Garrison
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.