Granted Patent
Utility
US 6,436,871 · App. 09/255,384
Catalysts for oxidative dehydrogenation
Inventor:
Yumin Liu
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Feb 22, 1999
Inventor
Yumin Liu
Assignee (at issue)
Symyx Technologies, Inc.
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.