Granted Patent
Utility
US 6,548,212 · App. 09/524,922
Use of additives in electrolyte for electrochemical cells
Inventors:
Udo Heider, Michael Schmidt, Anja Amann, Marlies Niemann, Andreas Kuhner
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Mar 13, 2000
Inventors
Udo Heider
Michael Schmidt
Anja Amann
Marlies Niemann
Andreas Kuhner
Assignee (at issue)
Merck Patent GmbH
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.