Granted Patent
Utility
US 4,356,294 · App. 06/200,360
Production of polyolefins having improved ESCR
Inventors:
Louis J. Rekers, Richard J. French, Harry W. Mayhew
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Oct 24, 1980
Inventors
Louis J. Rekers
Richard J. French
Harry W. Mayhew
Assignee (at issue)
National Petro Chemicals Corporation
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.