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2 285 034

(13)

(51)

IPC

C10L1/18(2006-01-01)

(21) (22)

Application

2004125001/04, 2004-08-16

(24)

Start date

2004-08-16

(22)

Actual filing date

2004-08-16

(45)

Published

2006-10-10

(72)

Inventor

Prozorova Irina Vital'EvnaBondaletov Vladimir Grigor'EvichKopytov Mikhail AleksandrovichLoskutova Julija VladimirovnaPrikhod'Ko Sergej IvanovichAntonov Igor' GerasimovichJudina Natal'Ja Vasil'Evna

(73)

Holder

Institut Khimii Nefti So Ran So Ran)Tomskij Politekhnicheksij Universitet

VARIOUS-DESTINATION DEPRESSANT Russian patent published in 2006 - IPC C10L1/18

Abstract RU 2285034 C2

FIELD: petroleum processing.

SUBSTANCE: invention aims to reduce freezing temperature of paraffin petroleums, to improve properties of high-paraffin petroleums, and to prevent formation of deposits during production, transportation, and storage of crude oil. Depressant based on heavy pyrolysis resin contains 43-60% of product of joint oxidation of heavy pyrolysis resin with atactic polypropylene taken at ratio 10:(0.5÷0.65), the rest being alkylaromatic hydrocarbons.

EFFECT: enhanced reduction of freezing temperatures and viscosity characteristics of paraffin and high-paraffin petroleums.

9 tbl, 3 ex

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RU 2 285 034 C2

Authors

Prozorova Irina Vital'Evna

Bondaletov Vladimir Grigor'Evich

Kopytov Mikhail Aleksandrovich

Loskutova Julija Vladimirovna

Prikhod'Ko Sergej Ivanovich

Antonov Igor' Gerasimovich

Judina Natal'Ja Vasil'Evna

Dates

2006-10-10—Published

2004-08-16—Filed