Granted Patent
Utility
US 6,007,934 · App. 09/080,468
Co-tolerant anode catalyst for PEM fuel cells and a process for its preparation
Inventors:
Emmanuel Auer, Andreas Freund, Thomas Lehmann, Karl-Anton Starz, Robert Schwarz, Udo Stenke
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: May 19, 1998
Inventors
Emmanuel Auer
Andreas Freund
Thomas Lehmann
Karl-Anton Starz
Robert Schwarz
Udo Stenke
Assignee (at issue)
Degussa AG
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.