Granted Patent
Utility
US 5,710,192 · App. 08/724,940
Polydiene diols in resilient polyurethane foams
Inventor:
Hector Hernandez
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Oct 2, 1996
Inventor
Hector Hernandez
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.