Granted Patent
Utility
US 5,643,500 · App. 08/505,934
Methods for inhibiting water corrosion in crude oil pipelines
Inventors:
Bruno Morin, Alan E. Goliaszewski
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Jul 24, 1995
Inventors
Bruno Morin
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.