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2 063 420

(13)

C1

(51)

IPC

(21) (22)

Application

5046486/13, 1992-06-08

(22)

Actual filing date

1992-06-08

(45)

Published

1996-07-10

(72)

Inventor

Alekseenko S.N.Trofimenko V.A.Bokov O.A.Revenko Ju.A.

(73)

Holder

Gorno-Khimicheskij Kombinat

METHOD OF PREPARING MALTOL FROM VEGETABLE RAW MATERIAL Russian patent published in 1996 - IPC

Abstract RU 2063420 C1

FIELD: essential-oil industry. SUBSTANCE: when isolating maltol with its transfer into the aqueous phase followed by the steps of evaporation, crystallization and purification, the transfer into the aqueous phase is carried out successively after elimination of water with low-boiling components from the raw material by way of gradually reducing pressure at a temperature not lower than 90 C, adding an inert carrier and condensation. EFFECT: improved method. 1 tbl, 2 dwg

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RU 2 063 420 C1

Authors

Alekseenko S.N.

Trofimenko V.A.

Bokov O.A.

Revenko Ju.A.

Dates

1996-07-10—Published

1992-06-08—Filed

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