Granted Patent
Utility
US 5,217,702 · App. 07/794,265
Preparation of a high surface area gamma lithium aluminate
Inventor:
Teresita Frianeza-Kullberg
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Nov 19, 1991
Inventor
Teresita Frianeza-Kullberg
Assignee (at issue)
FMC 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.