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2 189 965

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Application

2000132508/04, 2000-12-25

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Start date

2000-12-25

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Actual filing date

2000-12-25

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Published

2002-09-27

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Inventor

Popov B.I.Surkov V.D.Khismatullin S.G.Saljakhov R.S.Nijazov N.A.Ishbuldina Z.R.

(73)

Holder

Zao Sterlitamakskij Neftekhimicheskij Zavod

METHOD OF CHEMICAL TREATMENT OF MONOMER-CONTAINING (C-C)-FRACTIONS Russian patent published in 2002 - IPC

Abstract RU 2189965 C2

FIELD: chemical technology. SUBSTANCE: invention relates to a chemical treatment of monomer- -containing C7-C9-fractions that are used in the process of producing film-forming substances used for preparing drying oils and lacquers by method of cationic co-oligomerization of unsaturated hydrocarbons. The treatment of the parent fraction is carried out with a chemical reagent that presents a mixture of an aqueous solution of oxygen- and sulfur-containing Lewis bases and acetic acid taken in the following mass ratio: Lewis base : acetic acid = (0.005-0.0010) : (0.001-0.014) taken in the amount 2.5-50.0% of the reaction mixture mass. After separation of an aqueous layer the remaining hydrocarbon reaction mixture is subjected for azeotropic drying. EFFECT: improved method of treatment, increased yield of end product. 2 tbl, 1 dwg

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RU 2 189 965 C2

Authors

Popov B.I.

Surkov V.D.

Khismatullin S.G.

Saljakhov R.S.

Nijazov N.A.

Ishbuldina Z.R.

Dates

2002-09-27—Published

2000-12-25—Filed

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