Granted Patent
Utility
US 6,562,231 · App. 10/117,313
Catalyst composition and processes therefor and therewith
Inventors:
Lyle R. Kallenbach, Dwayne R. Senn
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 5, 2002
Inventors
Lyle R. Kallenbach
Dwayne R. Senn
Assignee (at issue)
ConocoPhillips 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.