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2 159 787

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Application

2000100268/04, 2000-01-05

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Start date

2000-01-05

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Actual filing date

2000-01-05

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Published

2000-11-27

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Inventor

Bogomol'Nyj E.I.Kamenshchikov F.A.Chichkanova T.V.Chernykh N.L.Jupashevskij V.E.Talipov R.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

PARAFFIN DEPOSITION INHIBITOR Russian patent published in 2000 - IPC

Abstract RU 2159787 C1

FIELD: petroleum industry, more particularly prevention of formation of asphalt-resin-paraffin depositions in oil field equipment during production, collection and transportation of petroleum. SUBSTANCE: paraffin deposition inhibitor comprises oxyethylated alkyl phenols, additive and aromatic solvent. Oxyethylated alkyl phenols include compound of general formula I: C9-12H19-25 C6H4(OC2H4)xOH wherein X is 4-12, and additive includes sulfonated adducts of general formula II: R1SO-m

K+ wherein . Solvent is aromatic solvent; e.g. butylbenzene fraction, styrene production by-product or light pyrolysis resin. Ratios of said reagents are as follows wt %: oxyethylated monoalkyl phenyls of formula I, 3-7; sulfonated adducts of formula II, 12-24, and aromatic solvent, the balance. EFFECT: increased efficiency of paraffin deposition inhibitor. 1 tbl

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RU 2 159 787 C1

Authors

Bogomol'Nyj E.I.

Kamenshchikov F.A.

Chichkanova T.V.

Chernykh N.L.

Jupashevskij V.E.

Talipov R.S.

Dates

2000-11-27—Published

2000-01-05—Filed

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