Granted Patent
Utility
US 6,802,897 · App. 10/448,251
Biodiesel sulfur slurry
Inventors:
Kenneth R. Lackey, James R. Alcorn, II
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: May 29, 2003
Inventors
Kenneth R. Lackey
James R. Alcorn, II
Assignee (at issue)
Marathon Ashland Petroleum LLC
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.