Granted Patent
Utility
US 5,605,996 · App. 08/214,803
Oxygen scavenging composition
Inventors:
Michael S. Chuu, Thomas T. Tung
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Mar 16, 1994
Inventors
Michael S. Chuu
Thomas T. Tung
Assignee (at issue)
American National Can Company
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.