Granted Patent
Utility
US 6,833,338 · App. 10/430,300
Organometal compound catalyst
Inventors:
Max P. McDaniel, Kathy S. Collins, Gil R. Hawley, Michael D. Jensen, Christopher E. Wittner, Elizabeth A. Benham, Anthony P. Eaton, Joel L. Martin, David C. Rohlfing, Youlu Yu
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: May 7, 2003
Inventors
Max P. McDaniel
Kathy S. Collins
Gil R. Hawley
Michael D. Jensen
Christopher E. Wittner
Elizabeth A. Benham
Anthony P. Eaton
Joel L. Martin
David C. Rohlfing
Youlu Yu
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.