Granted Patent
Utility
US 4,379,075 · App. 06/243,677
Process for polymerizing high melt index olefins and polymerization catalysts used therefore
Inventors:
Louis J. Rekers, Stanley J. Katzen
Patented Case
View Patent ↗
Granted: Apr 5, 1983
Filed: Mar 13, 1981
Inventors
Louis J. Rekers
Stanley J. Katzen
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.