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2 089 593

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C1

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IPC

(21) (22)

Application

94030510/04, 1994-08-18

(22)

Actual filing date

1994-08-18

(45)

Published

1997-09-10

(72)

Inventor

Tudrij G.A.Varnavskaja O.A.Lebedev N.A.Khvatova L.K.Khakimullin Ju.N.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Neftepromyslovoj Khimii

METHOD FOR PRODUCTION OF DEMULSIFIER FOR DEHYDRATION AND DESALTING WATER-OIL EMULSIONS Russian patent published in 1997 - IPC

Abstract RU 2089593 C1

FIELD: production of demulsifier which may be used for high dehydration and desalting of stable emulsions of high resin and paraffin-base petroleum while simultaneous protection of oil field equipment against corrosion. SUBSTANCE: method involves interaction of non-linear polyether with toluylene diisocyanate. Thus prepared demulsifier is additionally dissolved in solvent, quantity of demulsifier being 30-65 mass %. EFFECT: improved efficiency of the method. 3 tbl

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RU 2 089 593 C1

Authors

Tudrij G.A.

Varnavskaja O.A.

Lebedev N.A.

Khvatova L.K.

Khakimullin Ju.N.

Dates

1997-09-10—Published

1994-08-18—Filed

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