Granted Patent
Utility
US 5,863,463 · App. 08/032,140
Methods of inhibiting corrosion using halo-benzotriazoles
Inventors:
David W. Reichgott, Sydia B. Anderson, Michael A. Cady, Roger C. May, Anita G. Monino
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Feb 27, 1998
Inventors
David W. Reichgott
Sydia B. Anderson
Michael A. Cady
Roger C. May
Anita G. Monino
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.