Original oil and gas trade magazine vintage ad for UNIVERSAL OIL PRODUCTS COMPANY of Des Plaines, IL. How UOP serves the petroleum industry so well. Starting with the research and design of refining and petrochemical processes, through the field and laboratory services performed, UOP has directed its capacity to provide a wide variety of elements needed to aid the refiner in producing and marketing the best quality products. UOP Processes, Products and Services for the Petrolum Industry. This unique 1962 two-page gatefold petroleum and petrochemical refining industry magazine advertisement would display beautifully matted and framed.