Granted Patent
Utility
US 6,524,987 · App. 09/470,514
Organometal catalyst compositions
Inventors:
Kathy S. Collins, Syriac J. Palackal, Max P. McDaniel, Michael D. Jensen, Gil R. Hawley, Kenneth Farmer, Christopher E. Wittner, Elizabeth A. Benham, Anthony P. Eaton, Joel L. Martin
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Dec 22, 1999
Inventors
Kathy S. Collins
Syriac J. Palackal
Max P. McDaniel
Michael D. Jensen
Gil R. Hawley
Kenneth Farmer
Christopher E. Wittner
Elizabeth A. Benham
Anthony P. Eaton
Joel L. Martin
Assignee (at issue)
Phillips Petroleum 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.