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2 088 625

(13)

C1

(51)

IPC

(21) (22)

Application

95109135/04, 1995-06-06

(22)

Actual filing date

1995-06-06

(45)

Published

1997-08-27

(72)

Inventor

Gazizov A.Sh.Kozin V.G.Mavrin V.Ju.Gazizov A.A.Sharifullin A.V.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju

COMPOSITION FOR REMOVING ASPHALTENE-RESIN-PARAFFIN DEPOSITIONS Russian patent published in 1997 - IPC

Abstract RU 2088625 C1

FIELD: petroleum industry. SUBSTANCE: composition has the following components, wt. -%: product of condensation of saturated acid and mono- or diethanolamine, or morpholine at mole ratio = 1:1, or product of condensation of saturated acid and triethanolamine, or technical triethanolamine at mole ratio saturated acid: triethanolamine or technical triethanolamine = (1:1)-(2:1), 0.001-5, and hydrocarbon solvent, the balance. Preferable variant of invention is composition that involves, wt.-%: condensation product, 0.001-5; low-molecular carboxylic acid, 0.0001-1; and hydrocarbon solvent, the balance. EFFECT: improved quality and effectiveness of composition. 2 cl, 2 tbl

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RU 2 088 625 C1

Authors

Gazizov A.Sh.

Kozin V.G.

Mavrin V.Ju.

Gazizov A.A.

Sharifullin A.V.

Dates

1997-08-27—Published

1995-06-06—Filed

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