Granted Patent
Utility
US 5,910,469 · App. 08/742,726
Crude oil composition comprising an alkylphosphonate antifouling additive
Inventors:
William S. Carey, Jeffrey H. Peltier, Alan E. Goliaszewski
Patented Case
View Patent ↗
Granted: Jun 8, 1999
Filed: Nov 1, 1996
Inventors
William S. Carey
Jeffrey H. Peltier
Alan E. Goliaszewski
Assignee (at issue)
Betzdearborn, Inc.
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.