Granted Patent
Utility
US 5,486,435 · App. 08/186,103
Additives for extruding polymer electrolytes
Inventors:
Fernand Brochu, Michel Duval
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jan 25, 1994
Inventors
Fernand Brochu
Michel Duval
Assignee (at issue)
Hydro-Quebec
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.