Granted Patent
Utility
US 6,346,307 · App. 09/323,000
Polyester resin blends with high-level gas barrier properties
Inventors:
Hussein Al Ghatta, Sandro Cobror, Tonino Severini
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Jun 1, 1999
Inventors
Hussein Al Ghatta
Sandro Cobror
Tonino Severini
Assignee (at issue)
Sinco Ricerche S.p.A.
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.