Granted Patent
Utility
US 3,976,705 · App. 04/836,649
Prevention of hydrochlorination
Inventors:
James J. Lukes, Norman L. Beckers, Jack A. Borror
Patented Case
View Patent ↗
Granted: Aug 24, 1976
Filed: Jun 25, 1969
Inventors
James J. Lukes
Norman L. Beckers
Jack A. Borror
Assignee (at issue)
Diamond Shamrock 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.