Granted Patent
Utility
US 6,096,447 · App. 08/964,492
Phosphonate additives for nonaqueous electrolyte in alkali metal electrochemical cells
Inventors:
Hong Gan, Esther S. Takuchi
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Nov 5, 1997
Inventors
Hong Gan
Esther S. Takuchi
Assignee (at issue)
Wilson Greatbatch, Ltd.
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.