Granted Patent
Utility
US 5,728,917 · App. 08/550,300
Polymer depolymerization using ruthenium and osmium carbene complexes
Inventors:
Robert H. Grubbs, SonBinh T. Nguyen
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Oct 30, 1995
Inventors
Robert H. Grubbs
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.