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2 278 887

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(51)

IPC

C09K3/10(2006-01-01)

C09K3/00(2006-01-01)

(21) (22)

Application

2005101989/04, 2005-01-27

(24)

Start date

2005-01-27

(22)

Actual filing date

2005-01-27

(45)

Published

2006-06-27

(72)

Inventor

Glazkov Oleg Vasil'EvichPrass Lembit Villemovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij I Proektnyj Institut Nefti I Gaza Vostochnoj Neftjanoj Kompanii Vnk" Vnk")

SEALING COMPOSITION FOR PREVENTING PETROLEUM FROM VAPORIZATION Russian patent published in 2006 - IPC C09K3/10 C09K3/00

Abstract RU 2278887 C1

FIELD: crude oil treatment and petroleum processing.

SUBSTANCE: object of invention is to prevent crude oil and petroleum products from vaporization during the storage thereof in process tanks, for which purpose invention provides sealing composition allowing crude oil and petroleum products to be efficiently protected against vaporization. Sealing composition contains: latex of butadiene/styrene/nitriloacrylic acid copolymer with content of styrene ≤ 0.1% of mass portion of non-polymerized monomers and ≤ 0.05 of nitriloacrylic acid; sodium carboxymethylcellulose with degree of polymerization 600; naphthenic acids; methanol; and additionally diethylene glycol, basalt and polypropylene fibers.

EFFECT: enhanced oil storage efficiency.

2 tbl

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RU 2 278 887 C1

Authors

Glazkov Oleg Vasil'Evich

Prass Lembit Villemovich

Dates

2006-06-27—Published

2005-01-27—Filed