Granted Patent
Utility
US 4,498,980 · App. 06/465,914
Separation of aromatic and nonaromatic components in mixed hydrocarbon feeds
Inventor:
Paulino Forte
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Feb 14, 1983
Inventor
Paulino Forte
Assignee (at issue)
Union Carbide 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.