Granted Patent
Utility
US 6,417,422 · App. 09/510,458
Ni catalysts and methods for alkane dehydrogenation
Inventor:
Yumin Liu
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Feb 22, 2000
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.