Granted Patent
Utility
US 6,290,871 · App. 09/767,142
Method of making an oxygen scavenging sealant composition
Inventors:
Larry A. Hottle, Graham Ryall
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Jan 23, 2001
Inventors
Larry A. Hottle
Graham Ryall
Assignee (at issue)
Crown Cork & Seal Technologies 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.