Granted Patent
Utility
US 6,312,853 · App. 09/519,062
Electrochemical cells with cationic polymers and electroactive sulfur compounds
Inventors:
Shengshui Zhang, Song Cheng
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Mar 3, 2000
Inventors
Shengshui Zhang
Song Cheng
Assignee (at issue)
Moltech 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.