Granted Patent
Utility
US 4,151,073 · App. 05/956,534
Process for phase separation
Inventor:
Alfred G. Comolli
Patented Case
View Patent ↗
Granted: Apr 24, 1979
Filed: Oct 31, 1978
Inventor
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.