Granted Patent
Utility
US 5,855,809 · App. 08/748,008
Electrochemically stable electrolytes
Inventors:
Charles Austen Angell, Sheng Zhang, Kang Xu
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Nov 12, 1996
Inventors
Charles Austen Angell
Sheng Zhang
Kang Xu
Assignee (at issue)
THE ARIZONA BOARD OF REGENTS
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.