Granted Patent
Utility
US 6,521,808 · App. 09/506,677
Preparation and use of a catalyst for the oxidative dehydrogenation of lower alkanes
Inventors:
Umit Ozkan, Rick B. Watson
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Feb 17, 2000
Inventors
Umit Ozkan
Rick B. Watson
Assignee (at issue)
OHIO STATE UNIVERSITY
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.