Granted Patent
Utility
US 5,403,528 · App. 07/934,869
Method for use in packaging and/or storing atactic polypropylene or other amorphous poly alpha olefins
Inventor:
J. Fowler
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Aug 21, 1992
Inventor
J. Fowler
Assignee (at issue)
Rexene 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.