Granted Patent
Utility
US 6,020,443 · App. 08/796,865
Polymerization of low grade DCPD monomers using an olefin metathesis catalyst
Inventors:
Charles S. Woodson, Robert H. Grubbs
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Feb 6, 1997
Inventors
Charles S. Woodson
Robert H. Grubbs
Assignee (at issue)
Advanced Polymer Technologies Corp.
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.