Granted Patent
Utility
US 4,740,393 · App. 06/890,460
Coating composition containing a calcium phosphite and process for protecting a surface from corrosion
Inventors:
Charles A. Cody, Michael A. Desesa, William W. Reichert
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Jul 30, 1986
Inventors
Charles A. Cody
Michael A. Desesa
William W. Reichert
Assignee (at issue)
NL Chemicals, 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.