Granted Patent
Utility
US 4,119,675 · App. 05/789,581
Process for transalkylation of alkylaromatic hydrocarbons using a catalyst comprising TiF.sub.4 and a metal oxide
Inventor:
Ji-Yong Ryu
Patented Case
View Patent ↗
Granted: Oct 10, 1978
Filed: Apr 21, 1977
Inventor
Ji-Yong Ryu
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.