Granted Patent
Utility
US 6,083,585 · App. 08/717,370
Oxygen scavenging condensation copolymers for bottles and packaging articles
Inventors:
Paul J. Cahill, Stephen Y. Chen
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Sep 23, 1996
Inventors
Paul J. Cahill
Stephen Y. Chen
Assignee (at issue)
BP Amoco Corp.
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.