Granted Patent
Utility
US 6,630,430 · App. 09/616,568
Fuel and oil detergents
Inventors:
Prakasa Rao Anantaneni, George A. Smith
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Jul 14, 2000
Inventors
Prakasa Rao Anantaneni
George A. Smith
Assignee (at issue)
HUNTSMAN PETROCHEMICAL 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.