Granted Patent
Utility
US 5,981,676 · App. 08/941,266
Methods and compositions for improved oxygen scavenging
Inventors:
William Gauthier, Drew V. Speer
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Oct 1, 1997
Inventors
William Gauthier
Drew V. Speer
Assignee (at issue)
Cryovac, LLC
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.