Granted Patent
Utility
US 4,100,354 · App. 05/711,949
Terephthalate ester polyols
Inventor:
Gwilym E. Owen, Jr.
Patented Case
View Patent ↗
Granted: Jul 11, 1978
Filed: Aug 5, 1976
Inventor
Gwilym E. Owen, Jr.
Assignee (at issue)
Owens Corning Fiberglass Corporation
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.