Granted Patent
Utility
US 4,237,328 · App. 06/083,135
Process for HF-catalyzed alkylation of aromatic hydrocarbons
Inventor:
George R. Winter, III
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Oct 9, 1979
Inventor
George R. Winter, III
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.