Granted Patent
Utility
US 4,585,579 · App. 06/656,194
Suppression of corrosion in caustic manufacturing systems
Inventors:
Tilak V. Bommaraju, William Hauck, Vernon J. Lloyd
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Oct 1, 1984
Inventors
Tilak V. Bommaraju
William Hauck
Vernon J. Lloyd
Assignee (at issue)
Occidental Chemical Corporation
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.