Granted Patent
Utility
US 6,686,428 · App. 10/108,420
Metal catalyzed reactions
Inventors:
Xumu Zhang, Aiwen Lei
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Mar 29, 2002
Inventors
Xumu Zhang
Aiwen Lei
Assignee (at issue)
THE PENN STATE RESEARCH FOUNDATION
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.