Union Oil Company of California

Louis M Dvoracek

Paul W Fischer

Milan R Skripek

Fouling of metallic surfaces contacted with hydrocarbon oils at elevated temperatures is reduced by combining the oils with foulant-inhibiting amounts of thiadiazole compounds or triazole compounds, or aluminum compounds in combinations containing thiadiazole, triazole and acid compounds.

Antifoulant additives for high temperature hydrocarbon processing

Fouling of metallic surfaces contacted with hydrocarbon oils at elevated temperatures is reduced by combining with the oil foulant-inhibiting amounts of at least one tri-substituted phosphate.

Antifoulant for high temperature hydrocarbon processing

Fouling of metallic surfaces contacted with petroleum oils at elevated temperatures is reduced by adding to the oil small amounts of an oil-soluble N-alkylamino-alkylbenzene sulfonate, a heterocyclic amine, and phenylhydrazine.

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Brea, CA, United States of America

Louis M Dvoracek