Granted Patent
Utility
US 4,353,794 · App. 06/210,633
Process for the solvent extraction of aromatics and the recovery of an aromatics-free non-aromatic product from a hydrocarbon feedstock
Inventors:
George R. Winter, III, William H. Maier, K. N. Srinivas Prabhu
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Nov 26, 1980
Inventors
George R. Winter, III
William H. Maier
K. N. Srinivas Prabhu
Assignee (at issue)
UOP LLC
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.