Granted Patent
Utility
US 6,211,391 · App. 09/399,963
High metathesis activity ruthenium and osmium metal carbene complexes
Inventors:
Robert H. Grubbs, Peter Schwab, SonBinh T. Nguyen
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Sep 20, 1999
Inventors
Robert H. Grubbs
Peter Schwab
SonBinh T. Nguyen
Assignee (at issue)
California Institute of Technology
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.