Granted Patent
Utility
US 4,520,218 · App. 06/582,657
Production of dialkylated aromatics
Inventors:
Roy C. Berg, Thomas P. Malloy, Bipin V. Vora
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Feb 23, 1984
Inventors
Roy C. Berg
Thomas P. Malloy
Bipin V. Vora
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.