Granted Patent
Utility
US 4,751,063 · App. 07/016,268
Process for treating spent catalyst including antimony halides from chlorofluorocarbon production
Inventors:
Victor Kalcevic, John F. McGahan
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Feb 19, 1987
Inventors
Victor Kalcevic
John F. McGahan
Assignee (at issue)
International Technology Group
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.