Granted Patent
Utility
US 6,548,441 · App. 09/427,800
Organometal catalyst compositions
Inventors:
Max P. McDaniel, Kathy S. Collins, Anthony P. Eaton, Elizabeth A. Benham, Michael D. Jensen, Joel L. Martin, Gil R. Hawley
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Oct 27, 1999
Inventors
Max P. McDaniel
Kathy S. Collins
Anthony P. Eaton
Elizabeth A. Benham
Michael D. Jensen
Joel L. Martin
Gil R. Hawley
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.