Granted Patent
Utility
US 6,572,789 · App. 10/010,021
Corrosion inhibitors for aqueous systems
Inventors:
Bo Yang, Peter E. Reed, John D. Morris
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Dec 6, 2001
Inventors
Bo Yang
Peter E. Reed
John D. Morris
Assignee (at issue)
Ondeo Nalco Company
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.