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2 065 434

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IPC

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Application

94026794/04, 1994-07-15

(22)

Actual filing date

1994-07-15

(45)

Published

1996-08-20

(72)

Inventor

Taraban'Ko V.E.Ivanchenko N.M.Kudrjashev A.V.Gul'Bis G.R.Kuznetsov B.N.

(73)

Holder

Institut Khimii Prirodnogo Organicheskogo Syr'Ja So Ran

METHOD FOR EXTRACTION OF VANILLIN Russian patent published in 1996 - IPC

Abstract RU 2065434 C1

FIELD: organic synthesis. SUBSTANCE: vanilin is isolated of reaction mass by extraction with polar extragents. Extraction is carried out at pH 6.0-8.0. Degree of isolation of desired vanillin is 84-94 %, selectivity of its extraction is 30-44 %. EFFECT: improves efficiency of the method, simplifies further purification of vanillin.

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RU 2 065 434 C1

Authors

Taraban'Ko V.E.

Ivanchenko N.M.

Kudrjashev A.V.

Gul'Bis G.R.

Kuznetsov B.N.

Dates

1996-08-20—Published

1994-07-15—Filed

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