Granted Patent
Utility
US 6,576,583 · App. 09/502,277
Organometal catalyst composition
Inventors:
Max P. McDaniel, Marvin M. Johnson, Bruce B. Randolph, Kathy S. Collins, Elizabeth A. Benham, Michael D. Jensen, Joel L. Martin, Gil R. Hawley
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Feb 11, 2000
Inventors
Max P. McDaniel
Marvin M. Johnson
Bruce B. Randolph
Kathy S. Collins
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.