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2 038 290

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Application

93007327/26, 1993-02-09

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Actual filing date

1993-02-09

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Published

1995-06-27

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Inventor

Stepanskij M.L.Bulanov G.A.Torubarov A.I.Dobrjanskij M.V.Kozlov A.P.Petrunin V.A.Baranov Ju.I.Kutjanin L.I.Sidorov V.G.Bogach E.V.Serov V.A.Mil'Gotin I.M.Stuzhuk O.I.Morguljan V.S.Markar'Jants V.S.

(73)

Holder

Stepanskij Mark L'Vovich

METHOD OF THIONYL CHLORIDE REFINING Russian patent published in 1995 - IPC

Abstract RU 2038290 C1

FIELD: chemical technology. SUBSTANCE: semidrying vegetable oil is added to refining SOCl2 at 20-77 C (10-100% of impurities mass). Method ensures to refine product from impurities of sulfur chlorides, sulfuryl chloride, sulfur dioxide and phosphorus oxychloride. Refined SOCl2 has less 0.1% SO2Cl2, less 0.06% SCl2, less 0.08% POCl3, less 0.75% SO2. Invention ensures to produce the end product with yield 92-98% and refining degree 98.0-99.7% EFFECT: enhanced refinement degree. 1 tbl

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RU 2 038 290 C1

Authors

Stepanskij M.L.

Bulanov G.A.

Torubarov A.I.

Dobrjanskij M.V.

Kozlov A.P.

Petrunin V.A.

Baranov Ju.I.

Kutjanin L.I.

Sidorov V.G.

Bogach E.V.

Serov V.A.

Mil'Gotin I.M.

Stuzhuk O.I.

Morguljan V.S.

Markar'Jants V.S.

Dates

1995-06-27—Published

1993-02-09—Filed

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