Granted Patent
Utility
US 5,681,913 · App. 08/473,288
High tensile strength amorphous 1-butene/propylene and ethylene/propylene copolymers
Inventors:
Andres Sustic, George C. Allen
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Jun 7, 1995
Inventors
Andres Sustic
George C. Allen
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.