Corrosion inhibitors for use in hot hydrocarbons

Details Corrosion inhibitors for use in hot hydrocarbons Corrosion inhibitors for use in hot hydrocarbons

1989-07-18

1990-07-17

Maples, John S.

Compositions

Preservative agents

Anti-corrosion

25238924, 252391, C23F 1110

Patent

active

049419943

ABSTRACT:
Corrosion of metal surfaces in contact with a hot hydrocarbon stock containing an appreciable amount of naphthenic acid is inhibited by the presence in the hydrocarbon stock of an effective corrosion inhibiting amount of a dialkyl or trialkyl phosphite, alone or together with a thiazoline.

REFERENCES:
patent: 4446056 (1984-01-01), Thompson
patent: 4514320 (1985-04-01), Ouinlan
patent: 4525296 (1985-06-01), Ouinlan
patent: 4842716 (1989-06-01), Kaplan et al.
Derwent Classes M13 P42, Sep. 4, 1981, Abstract No. J56112479A.
Derwent Classes A97, H07M14, Oct. 12, 1985, Abstract No. J60202197.
Japan Abstracts, vol. 11, Section No. 436, Sec. C, No. 229, p. 91, "Metal Processing Oil Composition".

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