Granted Patent
Utility
US 5,486,632 · App. 08/267,993
Group 4 metal diene complexes and addition polymerization catalysts therefrom
Inventors:
David D. Devore, Francis J. Timmers, James C. Stevens, Robert K. Rosen
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jun 28, 1994
Inventors
David D. Devore
Francis J. Timmers
James C. Stevens
Robert K. Rosen
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.