Granted Patent
Utility
US 4,381,986 · App. 06/286,930
Cooling and solidification of heavy hydrocarbon liquid streams
Inventors:
Salvatore J. Antieri, Alfred G. Comolli
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Jul 27, 1981
Inventors
Salvatore J. Antieri
Alfred G. Comolli
Assignee (at issue)
Hydrocarbon Research, 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.