Granted Patent
Utility
US 5,489,366 · App. 08/219,043
Recovery of purified and substantially anhydrous propylene oxide
Inventor:
Huibert S. Jongenburger
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Mar 28, 1994
Inventor
Huibert S. Jongenburger
Assignee (at issue)
Texaco Chemical Inc.
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.