Granted Patent
Utility
US 4,898,784 · App. 07/139,549
Tie layer composition and laminated structures containing same
Inventors:
Andrea Sanders, Glenn R. Himes
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Dec 30, 1987
Inventors
Andrea Sanders
Glenn R. Himes
Assignee (at issue)
SHELL OIL 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.