Granted Patent
Utility
US 4,495,060 · App. 06/453,259
Quenching hydrocarbon effluent from catalytic reactor to avoid precipitation of asphaltene compounds
Inventor:
Lawrence M. Abrams
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Dec 27, 1982
Inventor
Lawrence M. Abrams
Assignee (at issue)
HRI
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.