Granted Patent
Utility
US 6,432,355 · App. 09/416,307
Corrosion inhibition during transport of water and a hydrocarbon through a pipeline
Inventors:
Kirill N. Bakeev, Jui-Chang Chuang, Thomas Winkler, Michael Drzewinski, David E. Graham
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Oct 12, 1999
Inventors
Kirill N. Bakeev
Jui-Chang Chuang
Thomas Winkler
Michael Drzewinski
David E. Graham
Assignee (at issue)
ISP INVESTMENTS 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.