Granted Patent
Utility
US 5,616,735 · App. 08/531,366
Recovery of tocopherols
Inventor:
Tracy K. Hunt
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Sep 20, 1995
Inventor
Tracy K. Hunt
Assignee (at issue)
Henkel Limited
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.