Original oil and gas trade magazine vintage ad for UNIVERSAL OIL PRODUCTS COMPANY of Des Plaines, IL. High-grade benzene with Hydeal produced by UOP petroleum refining and petrochemical processes. Hydeal is a new process for the catalytic hydrodealkylation of toluene or xylenes, produces benzene of exceptional purity. A variety of technical services is also available to assure profitable performance. This unique 1962 two-page gatefold old petroleum refining equipment industry magazine advertisement would display beautifully matted and framed.