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2 100 410

(13)

C1

(51)

IPC

(21) (22)

Application

96115242/04, 1996-07-25

(22)

Actual filing date

1996-07-25

(45)

Published

1997-12-27

(72)

Inventor

Tumanjan B.P.Arutjunov I.A.Zajtsev N.F.

(73)

Holder

Tumanjan Boris PetrovichArutjunov Igor' Ashotovich

PETROLEUM COMPOSITION Russian patent published in 1997 - IPC

Abstract RU 2100410 C1

FIELD: petroleum processing industry; production of petroleum compositions containing depression-inducing additive intended to lower petroleum solidification temperature caused by freezing and low temperatures. SUBSTANCE: proposed petroleum composition comprises crude petroleum (oil) containing paraffins with melting point above 35 C and boiling point above 360 C, and depression-inducing additive consisting of 2 polymers, namely: ethylene/vinyl acetate copolymer and 1,2-polybutadiene taken in 1,2-polybutadiene-t-ethylene/vinyl acetate copolymer weight ratio equal to 10:-1:10, total content of polymers in petroleum composition is 0.002-0.15 wt.-%. 1,2-polybutadiene comprises 1,2-units in amount 10-80%, its molecular weight is 1,000-40,000. Ethylene/vinyl acetate copolymer comprises 5-42 wt.-% vinyl acetate, its molecular weight, 600-110,000. EFFECT: higher efficiency. 5 cl

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RU 2 100 410 C1

Authors

Tumanjan B.P.

Arutjunov I.A.

Zajtsev N.F.

Dates

1997-12-27—Published

1996-07-25—Filed

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