Granted Patent
Utility
US 6,727,002 · App. 10/212,314
EVOH and EVM in single- or multilayer products
Inventors:
Martin Hoch, Ulrich Itter, Roland Parg, Claus Wrana, Helmut Schulte, Peter Schwarz, Ralph Ulrich
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 5, 2002
Inventors
Martin Hoch
Ulrich Itter
Roland Parg
Claus Wrana
Helmut Schulte
Peter Schwarz
Ralph Ulrich
Assignee (at issue)
Bayer Aktiengesellschaft
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.