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2 139 910

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Application

97115868/04, 1997-09-11

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Start date

1997-09-11

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Actual filing date

1997-09-11

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Published

1999-10-20

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Inventor

Somov V.E.Zalishchevskij G.D.Varshavskij O.M.Gajle A.A.Semenov L.V.Kajfadzhjan E.A.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Ob"Edinenie

METHOD OF ISOLATING AROMATIC HYDROCARBONS FROM DEPARAFFINED FRACTION HAVING 200-320 C Russian patent published in 1999 - IPC

Abstract RU 2139910 C1

FIELD: organic chemistry. SUBSTANCE: described is method of isolating aromatic hydrocarbons from deparaffined fraction by liquid extraction. Extraction agent is methyl cellulose containing 0.3-10.0 wt % of water and second solvent immiscible with extracting agent is n-pentane. EFFECT: higher selectivity, greater degree of isolation and concentration of aromatic hydrocarbons in extract. 3 ex, 2 tbl

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RU 2 139 910 C1

Authors

Somov V.E.

Zalishchevskij G.D.

Varshavskij O.M.

Gajle A.A.

Semenov L.V.

Kajfadzhjan E.A.

Dates

1999-10-20—Published

1997-09-11—Filed

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