Granted Patent
Utility
US 5,773,627 · App. 08/820,738
Methods of inhibiting corrosion using halo-benzotriazoles
Inventors:
Sydia B. Anderson, Michael A. Cady
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Mar 19, 1997
Inventors
Sydia B. Anderson
Michael A. Cady
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.