Granted Patent
Utility
US 6,613,921 · App. 09/879,463
Polycyclic, fused ring compounds, metal complexes and polymerization process
Inventors:
Richard E. Campbell, Jr., Jerzy Klosin, Ravi B. Shankar, Francis J. Timmers, Robert K. Rosen
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Jun 12, 2001
Inventors
Richard E. Campbell, Jr.
Jerzy Klosin
Ravi B. Shankar
Francis J. Timmers
Robert K. Rosen
Assignee (at issue)
Dow Global Technologies LLC
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.