Granted Patent
Utility
US 5,094,775 · App. 07/327,125
Zeolite modified water-blown polyurethane foams
Inventor:
Frederick E. Bailey, Jr.
Patented Case
View Patent ↗
Granted: Mar 10, 1992
Filed: Mar 22, 1989
Inventor
Frederick E. Bailey, Jr.
Assignee (at issue)
Arco Chemical Technology, L.P.
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.