Granted Patent
Utility
US 5,639,355 · App. 08/403,021
Method for enhancing the yield of tertiary butyl alcohol in a tertiary butyl alcohol recovery process
Inventor:
Huibert S. Jongenburger
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Mar 13, 1995
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.