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US 4,397,737 AGranted
Heat exchanger antifoulant
AssigneeChevron Research Company
InventorLouis R. Kray
Life of this patent
Estimating the term…
Abstract
Disclosed is a process for reducing the fouling in a heat exchanger in which a hydrocarbon stream is heated or cooled as it passes through the heat exchanger. From 1 to 500 parts per million of poly(oxyalkylene) carbamate is added to the stream to reduce fouling.
Claims16
A process for reducing heat exchanger fouling in which a liquid hydrocarbon stream is passed through a heat exchanger at a temperature from 0.degree. to 1500.degree. F. wherein from 1 to 500 parts per million of a poly(oxyalkylene) carbamate is added to said hydrocarbon stream.
Dependencies are inferred from the claim text.