Granted Patent
Utility
US 5,312,940 · App. 07/863,606
Ruthenium and osmium metal carbene complexes for olefin metathesis polymerization
Inventors:
Robert H. Grubbs, Lynda Kaye Johnson, SonBinh T. Nguyen
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Apr 3, 1992
Inventors
Robert H. Grubbs
Lynda Kaye Johnson
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.