Granted Patent
Utility
US 5,977,393 · App. 09/192,175
Schiff base derivatives of ruthenium and osmium olefin metathesis catalysts
Inventors:
Robert H. Grubbs, Sukbok Chang, Leroy Jones, Chunming Wang
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Nov 12, 1998
Inventors
Robert H. Grubbs
Sukbok Chang
Leroy Jones
Chunming Wang
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.